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Cushion|Lab Grown|IGI

5.50ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG776631013

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

Certificate IGI LG776631013

Diamond specifications and retailer prices

From $1,652 USD
As of October 29, 2026
Save $5,188 USD (76%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $6,840 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 5.5ct lab-grown cushion diamond

This 5.5ct lab-grown cushion sits in the over five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG776631013 or 776631013. Listed at 17 retailers as of October 29, 2026, with prices from $1,652 to $6,840, a $5,188 spread on the same certified stone. Brilliant Earth lists it at $6,840. 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

5.50
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG776631013
Dimensions10.38 × 10.16 × 6.65 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.38 mm10.16 mm5.50 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG776631013
Side View
Table 68.0%Crown 37.6°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 65.5%

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 29
Current: $6,840 USD|Low: $1,516 USD|High: $12,900 USD|Avg: $4,016 USD|-47.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 9$1,652 USD
Retailer 12$1,745 USD
Retailer 6$1,883 USD
Retailer 2$2,449 USD
Retailer 13$2,480 USD
Retailer 7$2,658 USD
Retailer 3$2,795 USD
Retailer 5$4,191 USD
Retailer 8$4,311 USD
Retailer 10$4,959 USD
Retailer 11$5,655 USD
Retailer 4$6,002 USD
Brilliant Earth$6,840 USD

41 data points across 13 retailers

17 retailers$1,652 USD to $6,840 USD

A
Cheapest Retailer
-
$1,652 USD
Final sale: no returns
A
Retailer 2
-
$1,745 USD
View
A
Retailer 3
-
$1,883 USD
£1,483 GBP
View
A
Retailer 4
-
$2,074 USD
HK$16,200 HKD
View
A
Retailer 5
-
$2,415 USD
View
A
Retailer 6
-
$2,449 USD
£1,928 GBP
View
A
Retailer 7
-
$2,480 USD
View
A
Retailer 8
-
$2,658 USD
€2,531 EUR
View
B+
Retailer 9
-
$2,795 USD
View
B+
Retailer 10
-
$4,191 USD
£3,300 GBP
View
B+
Retailer 11
-
$4,311 USD
View
B
Retailer 12
-
$4,600 USD
View
B
Retailer 13
-
$4,959 USD
£3,905 GBP
View
Retailer 14
-
$5,655 USD
View
Price last confirmed 10 days ago
B
Retailer 15
-
$6,002 USD
SGD 8,111 SGD
View
B
Retailer 16
-
$6,132 USD
View
Most Expensive
B
Brilliant Earth
18915901Y · Oct 30
$6,840 USD
View
16 more retailers have this diamond
Prices start from $1,652 USDSave up to $5,188 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
5.50ct Cushion
$1,652 USD