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Cushion|Lab Grown|IGI

1.55ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG790666482

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG790666482

Diamond specifications and retailer prices

From $4,768 USD
As of November 1, 2026
Save $3,354 USD (41%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $10,531 USD at MOH London · As of November 1, 2026
View at MOH London

About this 1.55ct lab-grown cushion diamond

This 1.55ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG790666482 or 790666482. Listed at 15 retailers as of October 31, 2026, with a 70% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle29.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790666482
Dimensions8.18 × 5.60 × 3.67 mm
L/W Ratio1.46
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.18 mm5.60 mm1.55 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790666482
Side View
Table 65.0%Crown 32.9°Girdle: THK-VTKPavilion 29.8°Culet: NoneDepth 65.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $10,531 USD|Low: $4,020 USD|High: $18,138 USD|Avg: $7,967 USD|-7.5%
MOH London
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
November 1, 2026
Retailer 12$4,290 USD
Retailer 13$4,768 USD
Retailer 6$4,910 USD
Retailer 3$5,086 USD
Retailer 8$6,021 USD
Retailer 11$6,220 USD
Retailer 2$6,594 USD
Retailer 5$7,163 USD
Retailer 4$7,868 USD
Retailer 7$8,122 USD
Retailer 10$9,010 USD
Retailer 9$9,348 USD
MOH London$10,531 USD
Retailer 14$18,138 USD

40 data points across 14 retailers

15 retailers$4,768 USD to $8,122 USD

Retailer 1
-
$4,290 USD
Price last confirmed 13 days ago
B
Retailer 2
-
$4,768 USD
View
B
Retailer 3
-
$4,910 USD
View
Final sale: no returns
Retailer 4
-
$5,086 USD
View
Price last confirmed 16 days ago
B
Retailer 5
-
$6,021 USD
View
B
Retailer 6
-
$6,220 USD
View
B
Retailer 7
-
$6,594 USD
£5,192 GBP
View
B
Retailer 8
-
$7,163 USD
£5,640 GBP
View
B
Retailer 9
-
$7,868 USD
View
B
Retailer 10
-
$8,122 USD
€7,735 EUR
View
Retailer 11
-
$9,010 USD
View
Price under review
Retailer 12
-
$9,010 USD
View
Price under review
Retailer 13
-
$9,348 USD
ZAR 151,014 ZAR
View
Price under review
Most Expensive
MOH London
LG790666482 · Nov 1
$10,531 USD
£8,292 GBP
View
Price under review
13 more retailers have this diamond
Prices start from $4,768 USDSave up to $3,354 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.

B
1.55ct Cushion
$4,768 USD