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Cushion|Lab Grown|IGI

5.10ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG768630634

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG768630634

Diamond specifications and retailer prices

From $7,569 USD
As of October 29, 2026
Save $22,395 USD (75%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $29,964 USD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 5.1ct lab-grown cushion diamond

This 5.1ct lab-grown cushion sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG768630634 or 768630634. Listed at 14 retailers as of October 29, 2026, with prices from $7,569 to $29,964, a $22,395 spread on the same certified stone. Taylor and Hart lists it at $29,964. 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

5.10
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768630634
Dimensions11.23 × 9.38 × 6.14 mm
L/W Ratio1.20
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
11.23 mm9.38 mm5.10 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768630634
Side View
Table 59.0%Crown 37.3°Girdle: MED-STKPavilion 35.6°Culet: NoneDepth 65.5%

Caratlytics Score

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

Price History

Last verified: Oct 29
Current: $18,648 USD|Low: $7,569 USD|High: $30,743 USD|Avg: $17,263 USD|-16.0%
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
October 30, 2026
Retailer 11$7,569 USD
Retailer 2$7,697 USD
Retailer 10$9,832 USD
Retailer 5$10,061 USD
Retailer 6$11,529 USD
Retailer 7$15,462 USD
Retailer 3$15,528 USD
Retailer 8$17,488 USD
Retailer 1$18,648 USD
Retailer 9$23,331 USD
Retailer 12$25,806 USD
Retailer 4$28,160 USD
Taylor and Hart$29,964 USD

38 data points across 13 retailers

14 retailers$7,569 USD to $29,964 USD

A
Cheapest Retailer
-
$7,569 USD
A
Retailer 2
-
$7,697 USD
View
A
Retailer 3
-
$9,832 USD
View
A
Retailer 4
-
$10,061 USD
HK$78,600 HKD
View
Retailer 5
-
$10,996 USD
View
Price last confirmed 59 days ago
A
Retailer 6
-
$11,529 USD
£9,078 GBP
View
A
Retailer 7
-
$15,462 USD
€14,726 EUR
View
A
Retailer 8
-
$15,528 USD
View
B+
Retailer 9
-
$17,488 USD
£13,770 GBP
View
B+
Retailer 10
-
$18,648 USD
ZAR 301,253 ZAR
View
B+
Retailer 11
-
$23,331 USD
View
B
Retailer 12
-
$25,806 USD
View
B
Retailer 13
-
$28,160 USD
View
Most Expensive
B
Taylor and Hart
SR37G4E · Oct 30
$29,964 USD
View
13 more retailers have this diamond
Prices start from $7,569 USDSave up to $22,395 USD

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
5.10ct Cushion
$7,569 USD