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Cushion|Lab Grown|IGI

1.02ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG689561766

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG689561766

Diamond specifications and retailer prices

From $303 USD
As of October 30, 2026
Save $1,547 USD (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,850 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 LG689561766 or 689561766. Listed at 18 retailers as of October 30, 2026, with prices from $303 to $1,850, a $1,547 spread on the same certified stone. Brilliant Earth lists it at $1,850. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle36.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689561766
Dimensions7.22 × 5.28 × 3.43 mm
L/W Ratio1.37
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
7.22 mm5.28 mm1.02 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689561766
Side View
Table 62.0%Crown 33.2°Girdle: STK-THKPavilion 36.9°Culet: NoneDepth 65.0%

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: $1,850 USD|Low: $290 USD|High: $2,410 USD|Avg: $810 USD|-23.2%
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
Retailer 16
October 31, 2026
Retailer 13$303 USD
Retailer 4$324 USD
Retailer 10$500 USD
Retailer 6$539 USD
Retailer 2$547 USD
Retailer 15$557 USD
Retailer 3$567 USD
Retailer 16$580 USD
Retailer 9$620 USD
Retailer 14$788 USD
Retailer 5$862 USD
Retailer 8$1,093 USD
Retailer 12$1,306 USD
Retailer 7$1,389 USD
Retailer 11$1,423 USD
Brilliant Earth$1,850 USD

39 data points across 16 retailers

18 retailers$303 USD to $1,850 USD

A
Cheapest Retailer
-
$303 USD
Final sale: no returns
A
Retailer 2
-
$324 USD
View
A
Retailer 3
-
$500 USD
View
A
Retailer 4
-
$539 USD
View
A
Retailer 5
-
$547 USD
€521 EUR
View
A
Retailer 6
-
$557 USD
ZAR 8,993 ZAR
View
A
Retailer 7
-
$567 USD
View
A
Retailer 8
-
$580 USD
View
A
Retailer 9
-
$620 USD
£488 GBP
View
A
Retailer 10
-
$788 USD
A$1,213 AUD
View
B+
Retailer 11
-
$862 USD
View
B+
Retailer 12
-
$1,093 USD
View
B+
Retailer 13
-
$1,197 USD
View
B+
Retailer 14
-
$1,306 USD
£1,028 GBP
View
B
Retailer 15
-
$1,389 USD
View
Retailer 16
-
$1,399 USD
View
Price last confirmed 82 days ago
B
Retailer 17
-
$1,423 USD
A$2,189 AUD
View
Most Expensive
B
Brilliant Earth
15932506A · Oct 30
$1,850 USD
View
17 more retailers have this diamond
Prices start from $303 USDSave up to $1,547 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
$303 USD