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Cushion|Lab Grown|IGI

1.09ct G VVS1 Cushion Lab Grown Diamond

EX • G/VVS1 • IGI LG659428856

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

Certificate IGI LG659428856

Diamond specifications and retailer prices

From $452 USD
€430 EUR
As of October 31, 2026
Save $669 USD (60%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,120 USD at MOH London · As of November 1, 2026
View at MOH London

About this 1.09ct lab-grown cushion diamond

This 1.09ct lab-grown cushion sits in the classic one-carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG659428856 or 659428856. Listed at 8 retailers as of October 31, 2026, with prices from $452 to $1,120, a $669 spread on the same certified stone. MOH London lists it at $1,120. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
G
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle34°
OriginLab Grown
Grading LabIGI
CertificateIGI LG659428856
Dimensions5.95 × 5.95 × 3.73 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
5.95 mm5.95 mm1.09 ctG / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG659428856
Side View
Table 58.0%Crown 34.8°Girdle: THN-THKPavilion 34°Culet: NoneDepth 62.7%

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 31
Current: $1,120 USD|Low: $437 USD|High: $1,134 USD|Avg: $619 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 3$452 USD
Retailer 5$475 USD
Retailer 7$480 USD
Retailer 6$516 USD
Retailer 2$522 USD
Retailer 4$795 USD
MOH London$1,120 USD

41 data points across 7 retailers

8 retailers$452 USD to $1,120 USD

A
Cheapest Retailer
-
$452 USD
€430 EUR
A
Retailer 2
-
$475 USD
View
A
Retailer 3
-
$480 USD
View
B+
Retailer 4
-
$516 USD
View
B+
Retailer 5
-
$522 USD
£411 GBP
View
B
Retailer 6
-
$795 USD
View
B
Retailer 7
-
$951 USD
View
Most Expensive
B
MOH London
LG659428856 · Nov 1
$1,120 USD
£882 GBP
View
7 more retailers have this diamond
Prices start from $452 USDSave up to $669 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
1.09ct Cushion
$452 USD