Cushion|Lab Grown|IGI

1.00ct D VS2 Cushion Lab Grown Diamond

ID • D/VS2 • IGI LG840630390

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG840630390

Diamond specifications and retailer prices

From $184 USD
As of October 30, 2026
Save $1,041 USD (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,225 USD at Helzberg Diamonds · As of October 31, 2026
View at Helzberg Diamonds

About this 1ct lab-grown cushion diamond

This 1ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG840630390 or 840630390. Listed at 15 retailers as of October 30, 2026, with prices from $184 to $1,225, a $1,041 spread on the same certified stone. Helzberg Diamonds lists it at $1,225. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
D
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.9°
Pavilion angle34.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840630390
Dimensions7.44 × 4.89 × 3.34 mm
L/W Ratio1.52
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
7.44 mm4.89 mm1.00 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840630390
Side View
Table 64.0%Crown 39.9°Girdle: THK-VTKPavilion 34.5°Culet: NoneDepth 68.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $1,225 USD|Low: $184 USD|High: $1,225 USD|Avg: $512 USD
Helzberg Diamonds
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
October 31, 2026
Retailer 14$184 USD
Retailer 13$203 USD
Retailer 3$245 USD
Retailer 4$322 USD
Retailer 10$356 USD
Retailer 2$357 USD
Retailer 6$366 USD
Retailer 12$386 USD
Retailer 15$515 USD
Retailer 8$533 USD
Retailer 7$557 USD
Retailer 9$560 USD
Retailer 5$709 USD
Retailer 11$956 USD
Helzberg Diamonds$1,225 USD

19 data points across 15 retailers

15 retailers$184 USD to $1,225 USD

A
Cheapest Retailer
-
$184 USD
Final sale: no returns
A
Retailer 2
-
$203 USD
View
Retailer 3
-
$245 USD
£193 GBP
View
Price last confirmed 14 days ago
A
Retailer 4
-
$322 USD
View
A
Retailer 5
-
$356 USD
€339 EUR
View
A
Retailer 6
-
$357 USD
£281 GBP
View
A
Retailer 7
-
$366 USD
View
A
Retailer 8
-
$386 USD
£304 GBP
View
Retailer 9
-
$515 USD
View
Price last confirmed 12 days ago
B+
Retailer 10
-
$533 USD
View
B+
Retailer 11
-
$557 USD
SGD 753 SGD
View
B+
Retailer 12
-
$560 USD
View
Retailer 13
-
$709 USD
View
Price last confirmed 13 days ago
B
Retailer 14
-
$956 USD
£753 GBP
View
Most Expensive
B
Helzberg Diamonds
ZXZOKGMJGJPG · Oct 31
$1,225 USD
View
14 more retailers have this diamond
Prices start from $184 USDSave up to $1,041 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
1.00ct Cushion
$184 USD