Cushion|Lab Grown|IGI

0.99ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG816643754

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG816643754

Diamond specifications and retailer prices

From $360 USD
€343 EUR
As of October 27, 2026
Save $166 USD (32%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $526 USD at Friendly Diamonds · As of October 26, 2026
View at Friendly Diamonds

About this 0.99ct lab-grown cushion diamond

This 0.99ct lab-grown cushion sits in the just-under-one-carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG816643754 or 816643754. Listed at 5 retailers as of October 26, 2026, with prices from $360 to $526, a $166 spread on the same certified stone. Friendly Diamonds lists it at $526. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.99
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.3°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816643754
Dimensions7.09 × 5.19 × 3.58 mm
L/W Ratio1.37
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.09 mm5.19 mm0.99 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816643754
Side View
Table 61.0%Crown 31.3°Girdle: STK-THKPavilion 38.3°Culet: NoneDepth 69.0%

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 27
Current: $526 USD|Low: $285 USD|High: $750 USD|Avg: $442 USD|-1.3%
Friendly Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 27, 2026
Retailer 4$285 USD
Retailer 7$337 USD
Retailer 2$360 USD
Retailer 5$370 USD
Retailer 6$382 USD
Retailer 3$500 USD
Friendly Diamonds$526 USD
Retailer 8$750 USD

16 data points across 8 retailers

5 retailers$360 USD to $526 USD

Retailer 1
-
$285 USD
Price last confirmed 20 days ago
A
Retailer 2
-
$360 USD
€343 EUR
View
Retailer 3
-
$382 USD
ZAR 6,174 ZAR
View
Price last confirmed 44 days ago
Retailer 4
-
$500 USD
View
Price last confirmed 12 days ago
Most Expensive
B+
Friendly Diamonds
5360854 · Oct 26
$526 USD
View
4 more retailers have this diamond
Prices start from $360 USDSave up to $166 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
0.99ct Cushion
$360 USD