Cushion|Lab Grown|IGI

1.02ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG831696305

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG831696305

Diamond specifications and retailer prices

From $488 USD
As of October 30, 2026
Save $912 USD (65%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,400 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.02ct lab-grown cushion diamond

This 1.02ct 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 LG831696305 or 831696305. Listed at 13 retailers as of October 30, 2026, with prices from $488 to $1,400, a $912 spread on the same certified stone. Brilliant Earth lists it at $1,400. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.02
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831696305
Dimensions7.10 × 5.10 × 3.36 mm
L/W Ratio1.39
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
7.10 mm5.10 mm1.02 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831696305
Side View
Table 61.0%Crown 33.2°Girdle: MED-STKPavilion 34.8°Culet: NoneDepth 65.9%

Caratlytics Score

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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 30
Current: $1,400 USD|Low: $299 USD|High: $1,980 USD|Avg: $847 USD|-29.3%
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
October 31, 2026
Retailer 12$299 USD
Retailer 4$488 USD
Retailer 9$496 USD
Retailer 2$545 USD
Retailer 7$563 USD
Retailer 13$570 USD
Retailer 10$704 USD
Retailer 6$757 USD
Retailer 5$911 USD
Retailer 3$980 USD
Retailer 8$1,163 USD
Retailer 11$1,360 USD
Brilliant Earth$1,400 USD

19 data points across 13 retailers

13 retailers$488 USD to $1,400 USD

Retailer 1
-
$299 USD
£235 GBP
Price last confirmed 14 days ago
A
Retailer 2
-
$488 USD
View
A
Retailer 3
-
$496 USD
ZAR 8,012 ZAR
View
A
Retailer 4
-
$545 USD
£429 GBP
View
A
Retailer 5
-
$563 USD
€536 EUR
View
A
Retailer 6
-
$570 USD
View
A
Retailer 7
-
$704 USD
A$1,083 AUD
View
A
Retailer 8
-
$757 USD
View
B+
Retailer 9
-
$911 USD
SGD 1,231 SGD
View
B+
Retailer 10
-
$980 USD
View
B+
Retailer 11
-
$1,163 USD
£916 GBP
View
Retailer 12
-
$1,360 USD
View
Price last confirmed 12 days ago
Most Expensive
B+
Brilliant Earth
21813793A · Oct 30
$1,400 USD
View
12 more retailers have this diamond
Prices start from $488 USDSave up to $912 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
1.02ct Cushion
$488 USD