Cushion|Lab Grown|IGI

1.03ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG811638340

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG811638340

Diamond specifications and retailer prices

From $390 USD
£307 GBP
As of October 30, 2026
Save $2,060 USD (84%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $2,450 USD at Do Amore Diamonds · As of October 30, 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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG811638340 or 811638340. Listed at 8 retailers as of October 30, 2026, with prices from $390 to $2,450, a $2,060 spread on the same certified stone. Do Amore Diamonds lists it at $2,450. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811638340
Dimensions7.43 × 5.06 × 3.41 mm
L/W Ratio1.47
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
7.43 mm5.06 mm1.03 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811638340
Side View
Table 65.0%Crown 34.7°Girdle: STK-VTKPavilion 39.3°Culet: NoneDepth 67.4%

Caratlytics Score

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A+
Exceptional
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: Oct 30
Current: $2,450 USD|Low: $320 USD|High: $3,270 USD|Avg: $1,175 USD|-11.2%
Do Amore Diamonds
Retailer 2
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Retailer 15
October 30, 2026
Retailer 15$320 USD
Retailer 3$357 USD
Retailer 9$390 USD
Retailer 8$566 USD
Retailer 12$605 USD
Retailer 4$654 USD
Retailer 13$892 USD
Retailer 7$992 USD
Retailer 11$1,094 USD
Retailer 14$1,333 USD
Retailer 6$1,367 USD
Retailer 10$1,538 USD
Retailer 2$1,540 USD
Retailer 5$1,817 USD
Do Amore Diamonds$2,450 USD

28 data points across 15 retailers

8 retailers$390 USD to $2,450 USD

A+
Cheapest Retailer
-
$390 USD
£307 GBP
A
Retailer 2
-
$566 USD
View
A
Retailer 3
-
$605 USD
View
B+
Retailer 4
-
$1,094 USD
View
Retailer 5
-
$1,333 USD
View
Price last confirmed 71 days ago
B+
Retailer 6
-
$1,538 USD
£1,211 GBP
View
B+
Retailer 7
-
$1,540 USD
View
Most Expensive
B
Do Amore Diamonds
27-45180F932 · Oct 30
$2,450 USD
View
7 more retailers have this diamond
Prices start from $390 USDSave up to $2,060 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
$390 USD