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Cushion|Lab Grown|IGI

3.10ct F FL Cushion Lab Grown Diamond

ID • F/FL • IGI LG804650291

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG804650291

Diamond specifications and retailer prices

From HK$20,744 HKD
As of November 4, 2026
Save HK$57,243 HKD (73%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$77,987 HKD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 3.1ct lab-grown cushion diamond

This 3.1ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG804650291 or 804650291. Listed at 9 retailers as of November 4, 2026, with prices from HK$20,744 to HK$77,987, a HK$57,243 spread on the same certified stone. Do Amore Diamonds lists it at HK$77,987. 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

3.10
Carat
F
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804650291
Dimensions8.91 × 8.14 × 5.18 mm
L/W Ratio1.09
Girdle conditionFaceted
Cert comments
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
8.91 mm8.14 mm3.10 ctF / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804650291
Side View
Table 63.0%Crown 33.2°Girdle: STK-THKPavilion 37.1°Culet: NoneDepth 63.6%

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 4
Current: HK$77,987 HKD|Low: HK$20,744 HKD|High: HK$134,085 HKD|Avg: HK$53,318 HKD|-41.8%
Do Amore Diamonds
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
November 4, 2026
Retailer 12HK$20,744 HKD
Retailer 8HK$20,752 HKD
Retailer 14HK$22,572 HKD
Retailer 13HK$34,106 HKD
Retailer 11HK$37,197 HKD
Retailer 2HK$37,785 HKD
Retailer 7HK$41,465 HKD
Retailer 3HK$43,552 HKD
Retailer 4HK$44,839 HKD
Retailer 5HK$48,181 HKD
Retailer 10HK$48,919 HKD
Retailer 9HK$55,941 HKD
Do Amore DiamondsHK$77,987 HKD
Retailer 6HK$97,280 HKD

25 data points across 14 retailers

9 retailersHK$20,744 HKD to HK$77,987 HKD

A
Cheapest Retailer
-
HK$20,744 HKD
A
Retailer 2
-
HK$20,752 HKD
View
A
Retailer 3
-
HK$22,572 HKD
View
Final sale: no returns
B+
Retailer 4
-
HK$37,197 HKD
View
B+
Retailer 5
-
HK$37,785 HKD
View
B+
Retailer 6
-
HK$41,465 HKD
View
Retailer 7
-
HK$48,919 HKD
View
Price last confirmed 8 days ago
B
Retailer 8
-
HK$55,941 HKD
View
Most Expensive
B
Do Amore Diamonds
27-9E1AA3E28 · Nov 4
HK$77,987 HKD
$9,940 USD
View
8 more retailers have this diamond
Prices start from HK$20,744 HKDSave up to HK$57,243 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
3.10ct Cushion
HK$20,744 HKD