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Cushion|Lab Grown|IGI

3.10ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG803623457

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG803623457

Diamond specifications and retailer prices

From HK$19,410 HKD
$2,474 USD
As of October 31, 2026
Save HK$50,855 HKD (72%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$70,266 HKD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

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 LG803623457 or 803623457. Listed at 13 retailers as of October 31, 2026, with prices from HK$19,410 to HK$70,266, a HK$50,855 spread on the same certified stone. Taylor and Hart lists it at HK$70,266. 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 angle34.1°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803623457
Dimensions10.17 × 7.68 × 5.27 mm
L/W Ratio1.32
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
10.17 mm7.68 mm3.10 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG803623457
Side View
Table 61.0%Crown 34.1°Girdle: MED-STKPavilion 38°Culet: NoneDepth 68.6%

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: Oct 31
Current: HK$27,678 HKD|Low: HK$19,410 HKD|High: HK$109,432 HKD|Avg: HK$48,055 HKD|-36.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Taylor and Hart
November 1, 2026
Retailer 12HK$19,410 HKD
Retailer 7HK$21,419 HKD
Retailer 11HK$21,568 HKD
Retailer 8HK$26,362 HKD
Retailer 1HK$27,678 HKD
Retailer 5HK$30,233 HKD
Retailer 4HK$30,983 HKD
Retailer 9HK$31,398 HKD
Retailer 3HK$38,142 HKD
Retailer 2HK$53,688 HKD
Retailer 6HK$54,842 HKD
Retailer 10HK$59,668 HKD
Taylor and HartHK$70,266 HKD

42 data points across 13 retailers

13 retailersHK$19,410 HKD to HK$70,266 HKD

A
Cheapest Retailer
-
HK$19,410 HKD
$2,474 USD
Final sale: no returns
A
Retailer 2
-
HK$21,419 HKD
$2,730 USD
View
A
Retailer 3
-
HK$21,568 HKD
$2,749 USD
View
A
Retailer 4
-
HK$26,362 HKD
$3,360 USD
View
A
Retailer 5
-
HK$27,678 HKD
£2,778 GBP
View
A
Retailer 6
-
HK$30,233 HKD
€3,670 EUR
View
Retailer 7
-
HK$30,983 HKD
$3,949 USD
View
Price last confirmed 19 days ago
A
Retailer 8
-
HK$31,398 HKD
$4,002 USD
View
B+
Retailer 9
-
HK$38,142 HKD
£3,828 GBP
View
B+
Retailer 10
-
HK$53,688 HKD
$6,843 USD
View
B+
Retailer 11
-
HK$54,842 HKD
£5,504 GBP
View
B+
Retailer 12
-
HK$59,668 HKD
$7,605 USD
View
Most Expensive
B
Taylor and Hart
8IXV5GF · Oct 31
HK$70,266 HKD
$8,956 USD
View
12 more retailers have this diamond
Prices start from HK$19,410 HKDSave up to HK$50,855 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$19,410 HKD