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Cushion|Lab Grown|IGI

10.55ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG655435632

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG655435632

Diamond specifications and retailer prices

From $1,953 USD
As of October 31, 2026
Save $4,583 USD (70%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $6,536 USD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 10.55ct lab-grown cushion diamond

This 10.55ct lab-grown cushion sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG655435632 or 655435632. Listed at 14 retailers as of October 30, 2026, with prices from $1,953 to $6,536, a $4,583 spread on the same certified stone. Taylor and Hart lists it at $6,536. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

10.55
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.7°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG655435632
Dimensions15.29 × 11.75 × 7.63 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.29 mm11.75 mm10.55 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG655435632
Side View
Table 64.0%Crown 29.7°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 64.9%

Caratlytics Score

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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 31
Current: $2,880 USD|Low: $1,726 USD|High: $6,536 USD|Avg: $3,555 USD|+5.0%
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
Taylor and Hart
October 31, 2026
Retailer 13$1,861 USD
Retailer 4$1,953 USD
Retailer 7$2,030 USD
Retailer 2$2,363 USD
Retailer 6$2,637 USD
Retailer 10$2,660 USD
Retailer 1$2,880 USD
Retailer 8$2,881 USD
Retailer 11$3,454 USD
Retailer 5$4,496 USD
Retailer 12$4,785 USD
Retailer 9$5,525 USD
Retailer 3$6,506 USD
Taylor and Hart$6,536 USD

38 data points across 14 retailers

14 retailers$1,953 USD to $6,536 USD

Retailer 1
-
$1,861 USD
Price last confirmed 18 days ago
A
Retailer 2
-
$1,953 USD
View
Final sale: no returns
A
Retailer 3
-
$2,030 USD
View
A
Retailer 4
-
$2,363 USD
View
A
Retailer 5
-
$2,637 USD
£2,076 GBP
View
B+
Retailer 6
-
$2,660 USD
View
A
Retailer 7
-
$2,880 USD
€2,743 EUR
View
A
Retailer 8
-
$2,881 USD
ZAR 46,543 ZAR
View
Retailer 9
-
$3,454 USD
A$5,314 AUD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
$4,496 USD
£3,540 GBP
View
Retailer 11
-
$4,785 USD
View
Price last confirmed 7 days ago
B+
Retailer 12
-
$5,525 USD
View
B+
Retailer 13
-
$6,506 USD
View
Most Expensive
B+
Taylor and Hart
Q6UQHCN · Oct 30
$6,536 USD
View
13 more retailers have this diamond
Prices start from $1,953 USDSave up to $4,583 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
10.55ct Cushion
$1,953 USD