Cushion|Lab Grown|IGI

3.10ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG813651571

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG813651571

Diamond specifications and retailer prices

From HK$16,641 HKD
$2,121 USD
As of October 31, 2026
Save HK$99,915 HKD (86%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$116,556 HKD at Yadav Diamonds · As of October 30, 2026
View at Yadav Diamonds

About this 3.1ct lab-grown cushion diamond

This 3.1ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG813651571 or 813651571. Listed at 19 retailers as of October 30, 2026, with prices from HK$16,641 to HK$116,556, a HK$99,915 spread on the same certified stone. Yadav Diamonds lists it at HK$116,556. 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
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813651571
Dimensions9.61 × 7.76 × 5.29 mm
L/W Ratio1.24
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
9.61 mm7.76 mm3.10 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813651571
Side View
Table 62.0%Crown 36.2°Girdle: MED-STKPavilion 37.7°Culet: NoneDepth 68.2%

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: Oct 31
Current: HK$28,643 HKD|Low: HK$16,641 HKD|High: HK$158,326 HKD|Avg: HK$51,703 HKD|-38.9%
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
October 31, 2026
Retailer 4HK$16,641 HKD
Retailer 13HK$18,202 HKD
Retailer 3HK$18,971 HKD
Retailer 15HK$19,497 HKD
Retailer 16HK$24,173 HKD
Retailer 10HK$26,192 HKD
Retailer 9HK$26,699 HKD
Retailer 1HK$28,643 HKD
Retailer 6HK$36,110 HKD
Retailer 11HK$44,197 HKD
Retailer 17HK$51,182 HKD
Retailer 14HK$51,232 HKD
Retailer 12HK$51,913 HKD
Retailer 7HK$59,962 HKD
Retailer 5HK$64,405 HKD
Retailer 8HK$66,566 HKD
Retailer 2HK$102,308 HKD

37 data points across 17 retailers

19 retailersHK$16,641 HKD to HK$116,556 HKD

A
Cheapest Retailer
-
HK$16,641 HKD
$2,121 USD
Final sale: no returns
A
Retailer 2
-
HK$18,202 HKD
$2,320 USD
View
A
Retailer 3
-
HK$18,971 HKD
$2,418 USD
View
A
Retailer 4
-
HK$19,497 HKD
$2,485 USD
View
A
Retailer 5
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HK$24,173 HKD
$3,081 USD
View
A
Retailer 6
-
HK$26,192 HKD
£2,629 GBP
View
Retailer 7
-
HK$26,699 HKD
$3,403 USD
View
Price last confirmed 19 days ago
A
Retailer 8
-
HK$28,643 HKD
€3,477 EUR
View
A
Retailer 9
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HK$36,110 HKD
£3,624 GBP
View
B+
Retailer 10
-
HK$44,197 HKD
ZAR 91,007 ZAR
View
B+
Retailer 11
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HK$51,182 HKD
$6,524 USD
View
Retailer 12
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HK$51,232 HKD
$6,530 USD
View
Price last confirmed 10 days ago
B+
Retailer 13
-
HK$51,912 HKD
$6,617 USD
View
B+
Retailer 14
-
HK$51,913 HKD
£5,210 GBP
View
B+
Retailer 15
-
HK$59,962 HKD
$7,643 USD
View
B+
Retailer 16
-
HK$64,405 HKD
$8,209 USD
View
B+
Retailer 17
-
HK$66,566 HKD
$8,484 USD
View
B
Retailer 18
-
HK$102,308 HKD
$13,040 USD
View
Most Expensive
B
Yadav Diamonds
13209872 · Oct 30
HK$116,556 HKD
$14,856 USD
View
18 more retailers have this diamond
Prices start from HK$16,641 HKDSave up to HK$99,915 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$16,641 HKD