Cushion|Lab Grown|IGI

1.03ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG836639790

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG836639790

Diamond specifications and retailer prices

From $285 USD
£224 GBP
As of November 2, 2026
Save $1,655 USD (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,940 USD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

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 LG836639790 or 836639790. Listed at 11 retailers as of November 2, 2026, with prices from $285 to $1,940, a $1,655 spread on the same certified stone. Do Amore Diamonds lists it at $1,940. 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 angle33.8°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836639790
Dimensions6.57 × 5.47 × 3.79 mm
L/W Ratio1.20
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
6.57 mm5.47 mm1.03 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836639790
Side View
Table 60.0%Crown 33.8°Girdle: MED-THKPavilion 38.3°Culet: NoneDepth 69.3%

Caratlytics Score

How it works →
A+
Exceptional
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: Nov 2
Current: $1,940 USD|Low: $285 USD|High: $2,000 USD|Avg: $971 USD|-3.0%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 2$285 USD
Retailer 11$435 USD
Retailer 10$456 USD
Retailer 5$473 USD
Retailer 9$671 USD
Retailer 8$675 USD
Retailer 4$1,110 USD
Retailer 3$1,290 USD
Retailer 6$1,400 USD
Retailer 7$1,437 USD
Do Amore Diamonds$1,940 USD

37 data points across 11 retailers

11 retailers$285 USD to $1,940 USD

A+
Cheapest Retailer
-
$285 USD
£224 GBP
A
Retailer 2
-
$435 USD
View
A
Retailer 3
-
$456 USD
View
A
Retailer 4
-
$473 USD
€450 EUR
View
A
Retailer 5
-
$671 USD
View
A
Retailer 6
-
$675 USD
A$1,039 AUD
View
B+
Retailer 7
-
$1,110 USD
£874 GBP
View
B+
Retailer 8
-
$1,290 USD
View
B+
Retailer 9
-
$1,400 USD
View
B+
Retailer 10
-
$1,437 USD
A$2,211 AUD
View
Most Expensive
B
Do Amore Diamonds
27-5D9DE4E7C · Nov 2
$1,940 USD
View
10 more retailers have this diamond
Prices start from $285 USDSave up to $1,655 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
$285 USD