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Round|Lab Grown|IGI

3.75ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG577378618

Shape and cutting style on the report: Round brilliant

Certificate IGI LG577378618

Diamond specifications and retailer prices

From HK$9,454 HKD
As of November 3, 2026
Save HK$74,496 HKD (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$145,069 HKD at Mervis Diamond Importers · As of November 4, 2026
View at Mervis Diamond Importers

About this 3.75ct lab-grown round diamond

This 3.75ct 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 LG577378618 or 577378618. Listed at 22 retailers as of November 3, 2026, with a 788% 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

3.75
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG577378618
Dimensions9.90 × 9.91 × 6.16 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
9.90 mm9.91 mm3.75 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG577378618
Side View
Table 57.0%Crown 35.5°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: HK$145,069 HKD|Low: HK$9,078 HKD|High: HK$145,069 HKD|Avg: HK$26,386 HKD|+133.3%
Mervis Diamond Importers
Retailer 2
Retailer 3
Retailer 4
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Retailer 7
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Retailer 9
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Retailer 11
Retailer 12
Retailer 13
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Retailer 15
Retailer 16
Retailer 17
November 5, 2026
Retailer 15HK$9,454 HKD
Retailer 7HK$10,286 HKD
Retailer 5HK$10,584 HKD
Retailer 16HK$10,961 HKD
Retailer 14HK$12,318 HKD
Retailer 6HK$13,722 HKD
Retailer 10HK$16,829 HKD
Retailer 3HK$17,394 HKD
Retailer 8HK$22,682 HKD
Retailer 12HK$27,327 HKD
Retailer 11HK$28,127 HKD
Retailer 17HK$31,462 HKD
Retailer 9HK$34,074 HKD
Retailer 4HK$35,149 HKD
Retailer 2HK$38,774 HKD
Retailer 13HK$62,139 HKD
Mervis Diamond ImportersHK$145,069 HKD

43 data points across 17 retailers

22 retailersHK$9,454 HKD to HK$83,950 HKD

A
Cheapest Retailer
-
HK$9,454 HKD
A
Retailer 2
-
HK$10,286 HKD
View
A
Retailer 3
-
HK$10,584 HKD
View
Final sale: no returns
Retailer 4
-
HK$10,961 HKD
View
Price last confirmed 24 days ago
A
Retailer 5
-
HK$10,961 HKD
View
A
Retailer 6
-
HK$12,318 HKD
View
A
Retailer 7
-
HK$13,722 HKD
View
A
Retailer 8
-
HK$16,829 HKD
View
A
Retailer 9
-
HK$17,394 HKD
View
B+
Retailer 10
-
HK$18,516 HKD
View
B+
Retailer 11
-
HK$21,003 HKD
View
B+
Retailer 12
-
HK$22,682 HKD
View
B+
Retailer 13
-
HK$27,327 HKD
View
B+
Retailer 14
-
HK$28,127 HKD
View
B+
Retailer 15
-
HK$31,462 HKD
View
B+
Retailer 16
-
HK$34,074 HKD
View
B
Retailer 17
-
HK$35,149 HKD
View
B+
Retailer 18
-
HK$38,774 HKD
View
B
Retailer 19
-
HK$42,917 HKD
View
B
Retailer 20
-
HK$62,139 HKD
View
B
Retailer 21
-
HK$83,950 HKD
View
Most Expensive
Mervis Diamond Importers
1985409083 · Nov 4
HK$145,069 HKD
$18,490 USD
View
Price under review
21 more retailers have this diamond
Prices start from HK$9,454 HKDSave up to HK$74,496 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
3.75ct Round
HK$9,454 HKD