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Round|Lab Grown|IGI

3.66ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG602348795

Shape and cutting style on the report: Round brilliant

Certificate IGI LG602348795

Diamond specifications and retailer prices

From HK$9,227 HKD
As of November 3, 2026
Save HK$72,762 HKD (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$138,290 HKD at Mervis Diamond Importers · As of November 4, 2026
View at Mervis Diamond Importers

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 LG602348795 or 602348795. Listed at 22 retailers as of November 3, 2026, with a 789% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle34.9°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG602348795
Dimensions9.79 × 9.85 × 6.12 mm
L/W Ratio1.01
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
9.79 mm9.85 mm3.66 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG602348795
Side View
Table 57.0%Crown 34.9°Girdle: MediumPavilion 41°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
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 3
Current: HK$138,290 HKD|Low: HK$8,858 HKD|High: HK$138,290 HKD|Avg: HK$26,923 HKD|+133.3%
Mervis Diamond Importers
Retailer 2
Retailer 3
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Retailer 11
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Retailer 15
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Retailer 17
November 5, 2026
Retailer 15HK$9,227 HKD
Retailer 7HK$10,043 HKD
Retailer 5HK$10,341 HKD
Retailer 16HK$10,710 HKD
Retailer 14HK$12,083 HKD
Retailer 6HK$13,456 HKD
Retailer 10HK$16,429 HKD
Retailer 3HK$16,994 HKD
Retailer 8HK$22,149 HKD
Retailer 12HK$26,684 HKD
Retailer 11HK$27,460 HKD
Retailer 17HK$30,991 HKD
Retailer 9HK$33,258 HKD
Retailer 4HK$34,365 HKD
Retailer 2HK$37,864 HKD
Retailer 13HK$75,712 HKD
Mervis Diamond ImportersHK$138,290 HKD

43 data points across 17 retailers

22 retailersHK$9,227 HKD to HK$81,989 HKD

A
Cheapest Retailer
-
HK$9,227 HKD
A
Retailer 2
-
HK$10,043 HKD
View
A
Retailer 3
-
HK$10,341 HKD
View
Final sale: no returns
Retailer 4
-
HK$10,710 HKD
View
Price last confirmed 19 days ago
A
Retailer 5
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HK$10,710 HKD
View
A
Retailer 6
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HK$12,083 HKD
View
A
Retailer 7
-
HK$13,456 HKD
View
A
Retailer 8
-
HK$16,429 HKD
View
A
Retailer 9
-
HK$16,994 HKD
View
B+
Retailer 10
-
HK$17,692 HKD
View
B+
Retailer 11
-
HK$21,097 HKD
View
B+
Retailer 12
-
HK$22,149 HKD
View
B+
Retailer 13
-
HK$26,684 HKD
View
B+
Retailer 14
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HK$27,460 HKD
View
B+
Retailer 15
-
HK$30,991 HKD
View
B+
Retailer 16
-
HK$33,258 HKD
View
B
Retailer 17
-
HK$34,365 HKD
View
B+
Retailer 18
-
HK$37,864 HKD
View
B
Retailer 19
-
HK$41,920 HKD
View
B
Retailer 20
-
HK$75,712 HKD
View
B
Retailer 21
-
HK$81,989 HKD
View
Most Expensive
Mervis Diamond Importers
1985409067 · Nov 4
HK$138,290 HKD
$17,626 USD
View
Price under review
21 more retailers have this diamond
Prices start from HK$9,227 HKDSave up to HK$72,762 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$9,227 HKD