Cushion|Lab Grown|IGI

5.55ct D VVS2 Cushion Lab Grown Diamond

EX • D/VVS2 • IGI LG817651491

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG817651491

Diamond specifications and retailer prices

From $2,363 USD
As of October 31, 2026
Save $6,637 USD (74%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $9,450 USD at Brilliant Earth · As of September 23, 2026
View at Brilliant Earth

About this 5.55ct lab-grown cushion diamond

This 5.55ct lab-grown cushion sits in the over five carat band, graded D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG817651491 or 817651491. Listed at 22 retailers as of October 30, 2026, with a 281% 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

5.55
Carat
D
Color
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle31.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817651491
Dimensions12.00 × 8.92 × 5.85 mm
L/W Ratio1.35
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.00 mm8.92 mm5.55 ctD / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817651491
Side View
Table 65.0%Crown 36.8°Girdle: STK-THKPavilion 31.6°Culet: NoneDepth 65.6%

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: $9,000 USD|Low: $2,449 USD|High: $9,270 USD|Avg: $4,828 USD|-2.9%
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 5$2,449 USD
Retailer 13$2,615 USD
Retailer 8$2,615 USD
Retailer 7$3,370 USD
Retailer 12$3,587 USD
Retailer 4$3,828 USD
Retailer 2$3,872 USD
Retailer 10$4,971 USD
Retailer 6$5,977 USD
Retailer 3$6,322 USD
Retailer 11$6,335 USD
Retailer 9$6,679 USD
Brilliant Earth$9,000 USD

38 data points across 13 retailers

22 retailers$2,363 USD to $9,000 USD

A
Cheapest Retailer
-
$2,363 USD
Final sale: no returns
Retailer 2
-
$2,449 USD
View
Price last confirmed 20 days ago
A
Retailer 3
-
$2,615 USD
View
A
Retailer 4
-
$2,615 USD
£2,059 GBP
View
A
Retailer 5
-
$2,744 USD
View
A
Retailer 6
-
$3,370 USD
£2,653 GBP
View
B+
Retailer 7
-
$3,587 USD
View
B+
Retailer 8
-
$3,828 USD
View
B+
Retailer 9
-
$3,872 USD
€3,688 EUR
View
B+
Retailer 10
-
$4,058 USD
View
B+
Retailer 11
-
$4,648 USD
£3,660 GBP
View
Retailer 12
-
$4,971 USD
A$7,647 AUD
View
Price last confirmed 9 days ago
B
Retailer 13
-
$5,977 USD
A$9,196 AUD
View
B
Retailer 14
-
$6,322 USD
View
Retailer 15
-
$6,335 USD
View
Price last confirmed 12 days ago
B
Retailer 16
-
$6,597 USD
View
B
Retailer 17
-
$6,679 USD
£5,259 GBP
View
B
Retailer 18
-
$6,952 USD
View
B
Retailer 19
-
$8,189 USD
SGD 11,066 SGD
View
B
Retailer 20
-
$8,562 USD
View
B
Retailer 21
-
$9,000 USD
View
Most Expensive
Brilliant Earth
20999304A · Sep 23
$9,450 USD
View
Price last confirmed 38 days ago
21 more retailers have this diamond
Prices start from $2,363 USDSave up to $6,637 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
5.55ct Cushion
$2,363 USD