Cushion|Lab Grown|IGI

0.99ct E VS1 Cushion Lab Grown Diamond

EX • E/VS1 • IGI LG770613076

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG770613076

Diamond specifications and retailer prices

From $171 USD
As of October 30, 2026
Save $872 USD (84%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,043 USD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 0.99ct lab-grown cushion diamond

This 0.99ct lab-grown cushion sits in the just-under-one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG770613076 or 770613076. Listed at 14 retailers as of October 30, 2026, with prices from $171 to $1,043, a $872 spread on the same certified stone. Reve Diamonds lists it at $1,043. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.99
Carat
E
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770613076
Dimensions5.79 × 5.74 × 3.93 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.79 mm5.74 mm0.99 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770613076
Side View
Table 60.0%Crown 35.2°Girdle: MED-THKPavilion 40.3°Culet: NoneDepth 68.5%

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: Oct 30
Current: $330 USD|Low: $171 USD|High: $1,057 USD|Avg: $461 USD|+1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Reve Diamonds
October 30, 2026
Retailer 4$171 USD
Retailer 12$245 USD
Retailer 1$330 USD
Retailer 2$342 USD
Retailer 9$342 USD
Retailer 5$346 USD
Retailer 6$349 USD
Retailer 8$360 USD
Retailer 10$472 USD
Retailer 11$490 USD
Retailer 13$507 USD
Retailer 3$664 USD
Retailer 7$890 USD
Reve Diamonds$1,043 USD

38 data points across 14 retailers

14 retailers$171 USD to $1,043 USD

A
Cheapest Retailer
-
$171 USD
Final sale: no returns
Retailer 2
-
$245 USD
£193 GBP
View
Price last confirmed 13 days ago
A
Retailer 3
-
$330 USD
£260 GBP
View
A
Retailer 4
-
$342 USD
View
A
Retailer 5
-
$342 USD
ZAR 5,529 ZAR
View
A
Retailer 6
-
$346 USD
View
A
Retailer 7
-
$349 USD
€332 EUR
View
A
Retailer 8
-
$360 USD
£283 GBP
View
A
Retailer 9
-
$472 USD
A$726 AUD
View
Retailer 10
-
$490 USD
View
Price last confirmed 11 days ago
B+
Retailer 11
-
$507 USD
View
B+
Retailer 12
-
$664 USD
View
B
Retailer 13
-
$890 USD
£701 GBP
View
Most Expensive
B
Reve Diamonds
305A6C4AE · Oct 30
$1,043 USD
View
13 more retailers have this diamond
Prices start from $171 USDSave up to $872 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
$171 USD