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Cushion|Lab Grown|IGI

3.10ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG754594698

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG754594698

Diamond specifications and retailer prices

From HK$18,430 HKD
$2,349 USD
As of October 30, 2026
Save HK$85,526 HKD (82%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$103,956 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 LG754594698 or 754594698. Listed at 15 retailers as of October 29, 2026, with prices from HK$18,430 to HK$103,956, a HK$85,526 spread on the same certified stone. Brilliant Earth lists it at HK$103,956. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754594698
Dimensions9.63 × 7.98 × 5.25 mm
L/W Ratio1.21
Girdle conditionFaceted
Culet sizePointed
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
9.63 mm7.98 mm3.10 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754594698
Side View
Table 60.0%Crown 34.3°Girdle: MED-STKPavilion 37.3°Culet: NoneDepth 65.8%

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 30
Current: HK$103,956 HKD|Low: HK$18,430 HKD|High: HK$115,371 HKD|Avg: HK$51,591 HKD|+0.9%
Brilliant Earth
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
October 31, 2026
Retailer 10HK$18,430 HKD
Retailer 15HK$21,089 HKD
Retailer 8HK$23,783 HKD
Retailer 9HK$25,553 HKD
Retailer 6HK$27,083 HKD
Retailer 2HK$27,531 HKD
Retailer 3HK$40,159 HKD
Retailer 11HK$46,596 HKD
Retailer 5HK$46,980 HKD
Retailer 7HK$51,272 HKD
Retailer 4HK$51,564 HKD
Retailer 14HK$60,568 HKD
Retailer 13HK$61,054 HKD
Retailer 12HK$66,853 HKD
Brilliant EarthHK$103,956 HKD

32 data points across 15 retailers

15 retailersHK$18,430 HKD to HK$103,956 HKD

A
Cheapest Retailer
-
HK$18,430 HKD
$2,349 USD
A
Retailer 2
-
HK$21,089 HKD
View
A
Retailer 3
-
HK$23,783 HKD
£2,387 GBP
View
A
Retailer 4
-
HK$25,553 HKD
$3,257 USD
View
A
Retailer 5
-
HK$27,083 HKD
$3,452 USD
View
A
Retailer 6
-
HK$27,531 HKD
€3,342 EUR
View
B+
Retailer 7
-
HK$40,159 HKD
ZAR 82,691 ZAR
View
B+
Retailer 8
-
HK$46,596 HKD
$5,939 USD
View
B+
Retailer 9
-
HK$46,980 HKD
$5,988 USD
View
Retailer 10
-
HK$51,272 HKD
$6,535 USD
View
Price last confirmed 10 days ago
B+
Retailer 11
-
HK$51,564 HKD
£5,175 GBP
View
B+
Retailer 12
-
HK$60,568 HKD
$7,720 USD
View
B+
Retailer 13
-
HK$61,054 HKD
SGD 10,516 SGD
View
B
Retailer 14
-
HK$66,853 HKD
$8,521 USD
View
Most Expensive
B
Brilliant Earth
17981668A · Oct 29
HK$103,956 HKD
$13,250 USD
View
14 more retailers have this diamond
Prices start from HK$18,430 HKDSave up to HK$85,526 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$18,430 HKD