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Cushion|Lab Grown|IGI

5.15ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG768631541

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG768631541

Diamond specifications and retailer prices

From $6,278 USD
As of October 30, 2026
Save $34,972 USD (85%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $41,250 USD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 5.15ct lab-grown cushion diamond

This 5.15ct 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 LG768631541 or 768631541. Listed at 10 retailers as of October 30, 2026, with prices from $6,278 to $41,250, a $34,972 spread on the same certified stone. Do Amore Diamonds lists it at $41,250. 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

5.15
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle36.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768631541
Dimensions11.05 × 9.28 × 6.26 mm
L/W Ratio1.19
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
11.05 mm9.28 mm5.15 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768631541
Side View
Table 60.0%Crown 36.8°Girdle: STK-THKPavilion 36.3°Culet: NoneDepth 67.5%

Caratlytics Score

How it works →
A+
Exceptional
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 30
Current: $41,250 USD|Low: $6,278 USD|High: $47,720 USD|Avg: $16,760 USD|-13.6%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 3$6,278 USD
Retailer 6$6,870 USD
Retailer 5$7,758 USD
Retailer 10$9,014 USD
Retailer 9$10,839 USD
Retailer 2$13,437 USD
Retailer 7$15,431 USD
Retailer 4$16,210 USD
Retailer 8$19,295 USD
Do Amore Diamonds$41,250 USD

30 data points across 10 retailers

10 retailers$6,278 USD to $41,250 USD

A+
Cheapest Retailer
-
$6,278 USD
A
Retailer 2
-
$6,870 USD
View
A
Retailer 3
-
$7,758 USD
View
A
Retailer 4
-
$9,014 USD
View
Final sale: no returns
A
Retailer 5
-
$10,839 USD
View
A
Retailer 6
-
$13,437 USD
€12,797 EUR
View
A
Retailer 7
-
$15,431 USD
£12,150 GBP
View
B+
Retailer 8
-
$16,210 USD
View
B+
Retailer 9
-
$19,295 USD
View
Most Expensive
B
Do Amore Diamonds
27-0375185D4 · Oct 31
$41,250 USD
View
9 more retailers have this diamond
Prices start from $6,278 USDSave up to $34,972 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+
5.15ct Cushion
$6,278 USD