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Cushion|Lab Grown|IGI

5.59ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG799630951

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG799630951

Diamond specifications and retailer prices

From $10,037 USD
As of October 29, 2026
Save $25,648 USD (72%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $35,685 USD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 5.59ct lab-grown cushion diamond

This 5.59ct 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 LG799630951 or 799630951. Listed at 13 retailers as of October 29, 2026, with prices from $10,037 to $35,685, a $25,648 spread on the same certified stone. Taylor and Hart lists it at $35,685. 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

5.59
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle28.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799630951
Dimensions11.86 × 9.11 × 6.00 mm
L/W Ratio1.30
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
11.86 mm9.11 mm5.59 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799630951
Side View
Table 59.0%Crown 35.2°Girdle: MED-THKPavilion 28.5°Culet: NoneDepth 65.9%

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: $13,655 USD|Low: $8,307 USD|High: $35,685 USD|Avg: $17,572 USD|-6.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Taylor and Hart
October 30, 2026
Retailer 5$8,307 USD
Retailer 12$10,037 USD
Retailer 13$11,088 USD
Retailer 2$11,350 USD
Retailer 8$11,485 USD
Retailer 9$12,260 USD
Retailer 1$13,655 USD
Retailer 4$16,459 USD
Retailer 7$18,548 USD
Retailer 11$21,292 USD
Retailer 6$23,334 USD
Retailer 10$29,409 USD
Retailer 3$31,996 USD
Taylor and Hart$35,685 USD

42 data points across 14 retailers

13 retailers$10,037 USD to $35,685 USD

A
Cheapest Retailer
-
$10,037 USD
A
Retailer 2
-
$11,088 USD
View
Final sale: no returns
A
Retailer 3
-
$11,350 USD
View
Retailer 4
-
$11,485 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
$12,260 USD
View
A
Retailer 6
-
$13,655 USD
£10,752 GBP
View
A
Retailer 7
-
$16,459 USD
£12,960 GBP
View
B+
Retailer 8
-
$18,548 USD
£14,605 GBP
View
B+
Retailer 9
-
$21,292 USD
View
B+
Retailer 10
-
$23,334 USD
ZAR 376,968 ZAR
View
B
Retailer 11
-
$29,409 USD
View
B
Retailer 12
-
$31,996 USD
View
Most Expensive
B
Taylor and Hart
4F4A1BD · Oct 30
$35,685 USD
View
12 more retailers have this diamond
Prices start from $10,037 USDSave up to $25,648 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
5.59ct Cushion
$10,037 USD