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Cushion|Lab Grown|IGI

5.51ct D VVS2 Cushion Lab Grown Diamond

EX • D/VVS2 • IGI LG784680852

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG784680852

Diamond specifications and retailer prices

From $1,464 USD
As of October 31, 2026
Save $3,867 USD (73%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $9,589 USD at Queensmith · As of October 9, 2026
View at Queensmith

About this 5.51ct lab-grown cushion diamond

This 5.51ct 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 LG784680852 or 784680852. Listed at 18 retailers as of October 30, 2026, with a 264% 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

5.51
Carat
D
Color
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle37.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784680852
Dimensions12.07 × 8.62 × 6.06 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.07 mm8.62 mm5.51 ctD / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784680852
Side View
Table 68.0%Crown 33.3°Girdle: STK-VTKPavilion 37.4°Culet: NoneDepth 70.3%

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: $2,385 USD|Low: $1,464 USD|High: $6,080 USD|Avg: $3,230 USD|-3.6%
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
Retailer 14
Retailer 15
Retailer 16
October 31, 2026
Retailer 14$1,464 USD
Retailer 2$1,518 USD
Retailer 16$1,690 USD
Retailer 3$1,845 USD
Retailer 9$2,140 USD
Retailer 12$2,172 USD
Retailer 1$2,385 USD
Retailer 13$3,074 USD
Retailer 10$3,084 USD
Retailer 5$3,673 USD
Retailer 4$3,744 USD
Retailer 6$4,453 USD
Retailer 7$4,512 USD
Retailer 11$4,903 USD
Retailer 8$5,331 USD
Retailer 15$6,025 USD

41 data points across 16 retailers

18 retailers$1,464 USD to $5,331 USD

A
Cheapest Retailer
-
$1,464 USD
Final sale: no returns
Retailer 2
-
$1,518 USD
View
Price last confirmed 19 days ago
A
Retailer 3
-
$1,690 USD
View
A
Retailer 4
-
$1,845 USD
View
A
Retailer 5
-
$2,140 USD
£1,685 GBP
View
A
Retailer 6
-
$2,172 USD
View
A
Retailer 7
-
$2,385 USD
€2,271 EUR
View
Retailer 8
-
$3,074 USD
A$4,729 AUD
View
Price last confirmed 10 days ago
A
Retailer 9
-
$3,084 USD
ZAR 49,829 ZAR
View
B+
Retailer 10
-
$3,673 USD
£2,892 GBP
View
B+
Retailer 11
-
$3,744 USD
View
B+
Retailer 12
-
$4,356 USD
View
B+
Retailer 13
-
$4,453 USD
View
B+
Retailer 14
-
$4,512 USD
View
B+
Retailer 15
-
$4,903 USD
£3,861 GBP
View
B+
Retailer 16
-
$5,331 USD
View
Retailer 17
-
$6,025 USD
View
Price last confirmed 12 days ago
Most Expensive
Queensmith
LG784680852 · Oct 9
$9,589 USD
£7,550 GBP
View
Price last confirmed 22 days ago
17 more retailers have this diamond
Prices start from $1,464 USDSave up to $3,867 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
5.51ct Cushion
$1,464 USD