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Cushion|Lab Grown|IGI

1.55ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG768632359

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG768632359

Diamond specifications and retailer prices

From $700 USD
As of November 2, 2026
Save $3,510 USD (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,210 USD at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

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 LG768632359 or 768632359. Listed at 11 retailers as of November 1, 2026, with prices from $700 to $4,210, a $3,510 spread on the same certified stone. Do Amore Diamonds lists it at $4,210. 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 angle36.3°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768632359
Dimensions6.76 × 6.61 × 4.47 mm
L/W Ratio1.02
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
6.76 mm6.61 mm1.55 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768632359
Side View
Table 67.0%Crown 36.3°Girdle: STK-THKPavilion 39.8°Culet: NoneDepth 67.6%

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: Nov 2
Current: $4,210 USD|Low: $700 USD|High: $6,020 USD|Avg: $2,137 USD|-30.1%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 5$700 USD
Retailer 8$734 USD
Retailer 3$796 USD
Retailer 11$889 USD
Retailer 7$917 USD
Retailer 4$1,042 USD
Retailer 9$1,692 USD
Retailer 2$2,706 USD
Retailer 10$2,715 USD
Retailer 6$3,190 USD
Do Amore Diamonds$4,210 USD

32 data points across 11 retailers

11 retailers$700 USD to $4,210 USD

A
Cheapest Retailer
-
$700 USD
A
Retailer 2
-
$734 USD
View
A
Retailer 3
-
$796 USD
View
Final sale: no returns
A
Retailer 4
-
$889 USD
View
A
Retailer 5
-
$917 USD
View
A
Retailer 6
-
$1,042 USD
€992 EUR
View
B+
Retailer 7
-
$1,692 USD
View
B+
Retailer 8
-
$2,706 USD
£2,131 GBP
View
Retailer 9
-
$2,715 USD
View
Price last confirmed 11 days ago
B+
Retailer 10
-
$3,190 USD
View
Most Expensive
B
Do Amore Diamonds
27-E8663AC29 · Nov 1
$4,210 USD
View
10 more retailers have this diamond
Prices start from $700 USDSave up to $3,510 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
1.55ct Cushion
$700 USD