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Cushion|Lab Grown|IGI

1.03ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG788630352

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG788630352

Diamond specifications and retailer prices

From $461 USD
€439 EUR
As of October 31, 2026
Save $949 USD (67%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,410 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.03ct lab-grown cushion diamond

This 1.03ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG788630352 or 788630352. Listed at 14 retailers as of October 31, 2026, with prices from $461 to $1,410, a $949 spread on the same certified stone. Brilliant Earth lists it at $1,410. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788630352
Dimensions7.12 × 5.10 × 3.43 mm
L/W Ratio1.40
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
7.12 mm5.10 mm1.03 ctD / IF
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788630352
Side View
Table 61.0%Crown 33.2°Girdle: MED-STKPavilion 34.2°Culet: NoneDepth 67.3%

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 31
Current: $1,410 USD|Low: $252 USD|High: $2,130 USD|Avg: $743 USD|-33.8%
Brilliant Earth
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
Retailer 15
November 2, 2026
Retailer 12$252 USD
Retailer 5$280 USD
Retailer 10$461 USD
Retailer 15$477 USD
Retailer 8$484 USD
Retailer 14$514 USD
Retailer 2$519 USD
Retailer 7$520 USD
Retailer 3$576 USD
Retailer 13$732 USD
Retailer 6$818 USD
Retailer 4$954 USD
Retailer 9$1,124 USD
Retailer 11$1,370 USD
Brilliant Earth$1,410 USD

42 data points across 15 retailers

14 retailers$461 USD to $1,410 USD

Retailer 1
-
$252 USD
Price last confirmed 7 days ago
Final sale: no returns
Retailer 2
-
$280 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$461 USD
€439 EUR
View
A
Retailer 4
-
$477 USD
View
A
Retailer 5
-
$484 USD
ZAR 7,821 ZAR
View
A
Retailer 6
-
$514 USD
View
A
Retailer 7
-
$519 USD
£409 GBP
View
A
Retailer 8
-
$576 USD
View
B+
Retailer 9
-
$732 USD
View
B+
Retailer 10
-
$818 USD
SGD 1,106 SGD
View
B+
Retailer 11
-
$954 USD
View
B+
Retailer 12
-
$1,124 USD
£885 GBP
View
Retailer 13
-
$1,370 USD
View
Price last confirmed 14 days ago
Most Expensive
B+
Brilliant Earth
21419372A · Oct 31
$1,410 USD
View
13 more retailers have this diamond
Prices start from $461 USDSave up to $949 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
1.03ct Cushion
$461 USD