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Round|Lab Grown|IGI

3.66ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG605303212

Shape and cutting style on the report: Round brilliant

Certificate IGI LG605303212

Diamond specifications and retailer prices

From HK$7,987 HKD
As of November 4, 2026
Save HK$64,665 HKD (89%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: HK$72,652 HKD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 3.66ct lab-grown round diamond

This 3.66ct lab-grown round sits in the three to five carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG605303212 or 605303212. Listed at 25 retailers as of November 4, 2026, with prices from HK$7,987 to HK$72,652, a HK$64,665 spread on the same certified stone. Do Amore Diamonds lists it at HK$72,652. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.66
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG605303212
Dimensions9.94 × 9.90 × 6.09 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
9.94 mm9.90 mm3.66 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG605303212
Side View
Table 56.0%Crown 34.3°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: HK$29,822 HKD|Low: HK$7,987 HKD|High: HK$69,592 HKD|Avg: HK$21,561 HKD|-12.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 5, 2026
Retailer 15HK$7,987 HKD
Retailer 8HK$8,183 HKD
Retailer 6HK$8,905 HKD
Retailer 13HK$10,466 HKD
Retailer 12HK$13,408 HKD
Retailer 10HK$15,833 HKD
Retailer 5HK$15,849 HKD
Retailer 17HK$16,868 HKD
Retailer 7HK$17,480 HKD
Retailer 9HK$19,646 HKD
Retailer 16HK$20,540 HKD
Retailer 2HK$23,663 HKD
Retailer 18HK$24,353 HKD
Retailer 14HK$24,981 HKD
Retailer 1HK$29,822 HKD
Retailer 11HK$32,803 HKD
Retailer 3HK$42,799 HKD
Retailer 4HK$60,726 HKD

34 data points across 18 retailers

25 retailersHK$7,987 HKD to HK$72,652 HKD

A
Cheapest Retailer
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HK$7,987 HKD
A
Retailer 2
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HK$8,183 HKD
View
A
Retailer 3
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HK$8,905 HKD
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A
Retailer 4
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HK$10,466 HKD
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A
Retailer 5
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HK$10,498 HKD
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Final sale: no returns
A
Retailer 6
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HK$11,737 HKD
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A
Retailer 7
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HK$13,354 HKD
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A
Retailer 8
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HK$13,408 HKD
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A
Retailer 9
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HK$15,833 HKD
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A
Retailer 10
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HK$15,849 HKD
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A
Retailer 11
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HK$16,868 HKD
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A
Retailer 12
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HK$17,480 HKD
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B+
Retailer 13
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HK$19,646 HKD
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B+
Retailer 14
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HK$19,842 HKD
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B+
Retailer 15
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HK$20,540 HKD
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B+
Retailer 16
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HK$23,663 HKD
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B+
Retailer 17
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HK$24,353 HKD
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B+
Retailer 18
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HK$24,981 HKD
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B+
Retailer 19
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HK$29,822 HKD
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B
Retailer 20
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HK$32,803 HKD
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B
Retailer 21
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HK$37,228 HKD
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B
Retailer 22
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HK$42,799 HKD
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B
Retailer 23
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HK$60,726 HKD
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B
Retailer 24
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HK$61,990 HKD
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Most Expensive
B
Do Amore Diamonds
27-A1259488B · Nov 4
HK$72,652 HKD
$9,260 USD
View
24 more retailers have this diamond
Prices start from HK$7,987 HKDSave up to HK$64,665 HKD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
3.66ct Round
HK$7,987 HKD