Cushion|Lab Grown|IGI

1.03ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG825656388

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG825656388

Diamond specifications and retailer prices

From $286 USD
As of October 25, 2026
Save $1,124 USD (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,410 USD at Brilliant Earth · As of October 30, 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 LG825656388 or 825656388. Listed at 14 retailers as of October 25, 2026, with prices from $286 to $1,410, a $1,124 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
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825656388
Dimensions7.54 × 5.17 × 3.45 mm
L/W Ratio1.46
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
7.54 mm5.17 mm1.03 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825656388
Side View
Table 58.0%Crown 32.8°Girdle: MED-THKPavilion 35.4°Culet: NoneDepth 66.7%

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 25
Current: $1,410 USD|Low: $286 USD|High: $2,050 USD|Avg: $784 USD|-31.2%
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
October 31, 2026
Retailer 6$286 USD
Retailer 7$295 USD
Retailer 8$473 USD
Retailer 3$484 USD
Retailer 9$491 USD
Retailer 2$539 USD
Retailer 4$578 USD
Retailer 10$697 USD
Retailer 13$748 USD
Retailer 14$921 USD
Retailer 5$971 USD
Retailer 11$1,147 USD
Retailer 12$1,370 USD
Brilliant Earth$1,410 USD

35 data points across 14 retailers

14 retailers$286 USD to $1,410 USD

A
Cheapest Retailer
-
$286 USD
A
Retailer 2
-
$295 USD
£232 GBP
View
A
Retailer 3
-
$473 USD
€450 EUR
View
A
Retailer 4
-
$484 USD
View
A
Retailer 5
-
$491 USD
ZAR 7,932 ZAR
View
A
Retailer 6
-
$539 USD
£424 GBP
View
A
Retailer 7
-
$578 USD
View
A
Retailer 8
-
$697 USD
A$1,072 AUD
View
A
Retailer 9
-
$748 USD
View
B+
Retailer 10
-
$921 USD
SGD 1,244 SGD
View
B+
Retailer 11
-
$971 USD
View
B+
Retailer 12
-
$1,147 USD
£903 GBP
View
Retailer 13
-
$1,370 USD
View
Price last confirmed 12 days ago
Most Expensive
B+
Brilliant Earth
21589669A · Oct 30
$1,410 USD
View
13 more retailers have this diamond
Prices start from $286 USDSave up to $1,124 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
$286 USD