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Cushion|Lab Grown|IGI

1.00ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG787616989

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG787616989

Diamond specifications and retailer prices

From $250 USD
As of November 1, 2026
Save $399 USD (61%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $649 USD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 1ct lab-grown cushion diamond

This 1ct lab-grown cushion sits in the classic one-carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG787616989 or 787616989. Listed at 5 retailers as of October 31, 2026, with prices from $250 to $649, a $399 spread on the same certified stone. Taylor and Hart lists it at $649. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle31.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787616989
Dimensions8.04 × 4.90 × 2.98 mm
L/W Ratio1.64
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.04 mm4.90 mm1.00 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787616989
Side View
Table 63.0%Crown 36.8°Girdle: STK-THKPavilion 31.8°Culet: NoneDepth 60.8%

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: $320 USD|Low: $250 USD|High: $864 USD|Avg: $463 USD|+4.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Taylor and Hart
November 2, 2026
Retailer 4$250 USD
Retailer 5$310 USD
Retailer 1$320 USD
Retailer 2$351 USD
Retailer 6$545 USD
Taylor and Hart$649 USD
Retailer 3$862 USD

8 data points across 7 retailers

5 retailers$250 USD to $649 USD

B+
Cheapest Retailer
-
$250 USD
A
Retailer 2
-
$310 USD
View
A
Retailer 3
-
$320 USD
£252 GBP
View
A
Retailer 4
-
$351 USD
£276 GBP
View
Most Expensive
B
Taylor and Hart
C4KNHSB · Oct 31
$649 USD
View
4 more retailers have this diamond
Prices start from $250 USDSave up to $399 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
$250 USD