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Cushion|Lab Grown|IGI

5.09ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG768629089

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG768629089

Diamond specifications and retailer prices

From $8,133 USD
As of October 30, 2026
Save $29,076 USD (78%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $37,209 USD at With Clarity · As of October 30, 2026
View at With Clarity

About this 5.09ct lab-grown cushion diamond

This 5.09ct 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 LG768629089 or 768629089. Listed at 14 retailers as of October 30, 2026, with prices from $8,133 to $37,209, a $29,076 spread on the same certified stone. With Clarity lists it at $37,209. 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

5.09
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle36.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768629089
Dimensions11.28 × 9.39 × 6.21 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
11.28 mm9.39 mm5.09 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768629089
Side View
Table 59.0%Crown 35°Girdle: MED-STKPavilion 36.9°Culet: NoneDepth 66.1%

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: $10,397 USD|Low: $8,133 USD|High: $38,036 USD|Avg: $19,092 USD|-0.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
With Clarity
October 31, 2026
Retailer 5$8,133 USD
Retailer 4$9,807 USD
Retailer 11$9,971 USD
Retailer 1$10,397 USD
Retailer 8$11,299 USD
Retailer 12$15,433 USD
Retailer 6$16,757 USD
Retailer 2$17,455 USD
Retailer 7$18,470 USD
Retailer 10$18,612 USD
Retailer 3$25,755 USD
Retailer 9$29,928 USD
With Clarity$37,209 USD

39 data points across 13 retailers

14 retailers$8,133 USD to $37,209 USD

A
Cheapest Retailer
-
$8,133 USD
A
Retailer 2
-
$9,807 USD
View
A
Retailer 3
-
$9,971 USD
HK$77,900 HKD
View
A
Retailer 4
-
$10,397 USD
View
A
Retailer 5
-
$11,299 USD
£8,897 GBP
View
Retailer 6
-
$12,996 USD
View
Price last confirmed 82 days ago
A
Retailer 7
-
$15,433 USD
€14,698 EUR
View
B+
Retailer 8
-
$16,757 USD
View
B+
Retailer 9
-
$17,455 USD
£13,744 GBP
View
B+
Retailer 10
-
$18,470 USD
View
B+
Retailer 11
-
$18,612 USD
ZAR 300,677 ZAR
View
B
Retailer 12
-
$25,755 USD
View
B
Retailer 13
-
$29,928 USD
View
Most Expensive
B
With Clarity
768629089 · Oct 30
$37,209 USD
View
13 more retailers have this diamond
Prices start from $8,133 USDSave up to $29,076 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
5.09ct Cushion
$8,133 USD