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Cushion|Lab Grown|IGI

5.50ct D VS2 Cushion Lab Grown Diamond

ID • D/VS2 • IGI LG720591573

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG720591573

Diamond specifications and retailer prices

From $1,113 USD
As of October 29, 2026
Save $2,907 USD (72%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,704 USD at Rare Carat · As of August 9, 2026
View at Rare Carat

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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG720591573 or 720591573. Listed at 13 retailers as of October 27, 2026, with a 261% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle34°
OriginLab Grown
Grading LabIGI
CertificateIGI LG720591573
Dimensions12.46 × 9.48 × 12.46 mm
L/W Ratio1.31
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.46 mm9.48 mm5.50 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG720591573
Side View
Table 66.0%Crown 36.2°Girdle: MED-STKPavilion 34°Culet: NoneDepth 59.8%

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 29
Current: $5,704 USD|Low: $818 USD|High: $11,370 USD|Avg: $3,288 USD
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 29, 2026
Retailer 3$1,113 USD
Retailer 16$1,153 USD
Retailer 12$1,276 USD
Retailer 13$1,390 USD
Retailer 18$1,592 USD
Retailer 2$1,657 USD
Retailer 14$1,842 USD
Retailer 6$1,928 USD
Retailer 10$2,383 USD
Retailer 4$3,185 USD
Retailer 15$3,555 USD
Retailer 17$3,876 USD
Retailer 11$3,932 USD
Retailer 5$4,020 USD
Retailer 8$4,171 USD
Retailer 9$4,555 USD
Rare Carat$5,704 USD
Retailer 7$11,370 USD

21 data points across 18 retailers

13 retailers$1,113 USD to $4,020 USD

A
Cheapest Retailer
-
$1,113 USD
Final sale: no returns
Retailer 2
-
$1,153 USD
View
Price last confirmed 12 days ago
Retailer 3
-
$1,276 USD
£1,005 GBP
View
Price last confirmed 12 days ago
A
Retailer 4
-
$1,390 USD
View
A
Retailer 5
-
$1,592 USD
View
A
Retailer 6
-
$1,657 USD
£1,304 GBP
View
A
Retailer 7
-
$1,842 USD
View
B+
Retailer 8
-
$3,185 USD
£2,508 GBP
View
B+
Retailer 9
-
$3,555 USD
View
B+
Retailer 10
-
$3,876 USD
View
B+
Retailer 11
-
$3,932 USD
£3,096 GBP
View
B+
Retailer 12
-
$4,020 USD
View
Most Expensive
Rare Carat
23D720591573 · Aug 9
$5,704 USD
View
Price last confirmed 81 days ago
12 more retailers have this diamond
Prices start from $1,113 USDSave up to $2,907 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
$1,113 USD