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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 $418 AUD
$293 USD
As of November 1, 2026
Save $2,222 AUD (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,640 AUD at Brilliant Earth · As of October 31, 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 31, 2026, with prices from $418 to $2,640, a $2,222 spread on the same certified stone. Brilliant Earth lists it at $2,640. 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
Colour
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

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $2,640 AUD|Low: $414 AUD|High: $3,439 AUD|Avg: $1,173 AUD|-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
November 1, 2026
Retailer 2$418 AUD
Retailer 4$462 AUD
Retailer 12$713 AUD
Retailer 6$769 AUD
Retailer 11$781 AUD
Retailer 15$794 AUD
Retailer 3$809 AUD
Retailer 16$828 AUD
Retailer 10$877 AUD
Retailer 14$1,125 AUD
Retailer 5$1,230 AUD
Retailer 8$1,559 AUD
Retailer 9$1,852 AUD
Retailer 7$1,982 AUD
Retailer 13$2,030 AUD
Brilliant Earth$2,640 AUD

39 data points across 16 retailers

18 retailers$418 AUD to $2,640 AUD

A
Cheapest Retailer
-
$418 AUD
$293 USD
Final sale: no returns
Retailer 2
-
$462 AUD
$324 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$713 AUD
$500 USD
View
A
Retailer 4
-
$769 AUD
$539 USD
View
A
Retailer 5
-
$781 AUD
€521 EUR
View
A
Retailer 6
-
$794 AUD
ZAR 8,993 ZAR
View
A
Retailer 7
-
$809 AUD
$567 USD
View
A
Retailer 8
-
$828 AUD
$580 USD
View
A
Retailer 9
-
$877 AUD
£484 GBP
View
A
Retailer 10
-
$1,125 AUD
View
B+
Retailer 11
-
$1,230 AUD
$862 USD
View
B+
Retailer 12
-
$1,559 AUD
$1,093 USD
View
B+
Retailer 13
-
$1,708 AUD
$1,197 USD
View
B+
Retailer 14
-
$1,852 AUD
£1,022 GBP
View
B
Retailer 15
-
$1,982 AUD
$1,389 USD
View
Retailer 16
-
$1,996 AUD
$1,399 USD
View
Price last confirmed 85 days ago
B
Retailer 17
-
$2,030 AUD
View
Most Expensive
B
Brilliant Earth
15932506A · Oct 31
$2,640 AUD
$1,850 USD
View
17 more retailers have this diamond
Prices start from $418 AUDSave up to $2,222 AUD

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
$418 AUD