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Cushion|Lab Grown|IGI

6.51ct E VS2 Cushion Lab Grown Diamond

EX • E/VS2 • IGI LG839647750

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG839647750

Diamond specifications and retailer prices

From $2,017 NZD
£895 GBP
As of October 27, 2026
Save $9,197 NZD (82%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $11,214 NZD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 6.51ct lab-grown cushion diamond

This 6.51ct lab-grown cushion sits in the over five carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG839647750 or 839647750. Listed at 16 retailers as of October 27, 2026, with prices from $2,017 to $11,214, a $9,197 spread on the same certified stone. Brilliant Earth lists it at $11,214. 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

6.51
Carat
E
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle33.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839647750
Dimensions12.63 × 9.57 × 6.30 mm
L/W Ratio1.32
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.63 mm9.57 mm6.51 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839647750
Side View
Table 60.0%Crown 35.1°Girdle: MED-STKPavilion 33.6°Culet: NoneDepth 65.8%

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 27
Current: $2,822 NZD|Low: $1,812 NZD|High: $10,406 NZD|Avg: $5,195 NZD|-1.6%
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 4$1,812 NZD
Retailer 14$2,017 NZD
Retailer 10$2,158 NZD
Retailer 13$2,262 NZD
Retailer 1$2,822 NZD
Retailer 15$2,874 NZD
Retailer 5$3,011 NZD
Retailer 9$3,785 NZD
Retailer 3$5,192 NZD
Retailer 8$5,662 NZD
Retailer 2$5,875 NZD
Retailer 12$6,233 NZD
Retailer 16$6,377 NZD
Retailer 7$8,703 NZD
Retailer 11$8,907 NZD
Retailer 6$10,353 NZD

26 data points across 16 retailers

16 retailers$2,017 NZD to $11,214 NZD

A
Cheapest Retailer
-
$2,017 NZD
£895 GBP
A
Retailer 2
-
$2,158 NZD
HK$9,500 HKD
View
A
Retailer 3
-
$2,262 NZD
$1,275 USD
View
A
Retailer 4
-
$2,822 NZD
€1,515 EUR
View
A
Retailer 5
-
$2,874 NZD
£1,275 GBP
View
B+
Retailer 6
-
$3,011 NZD
$1,697 USD
View
A
Retailer 7
-
$3,785 NZD
$2,133 USD
View
A
Retailer 8
-
$5,192 NZD
£2,304 GBP
View
B+
Retailer 9
-
$5,662 NZD
$3,191 USD
View
B+
Retailer 10
-
$5,875 NZD
$3,311 USD
View
B+
Retailer 11
-
$6,233 NZD
SGD 4,747 SGD
View
B+
Retailer 12
-
$6,377 NZD
£2,830 GBP
View
Retailer 13
-
$8,703 NZD
A$7,546 AUD
View
Price last confirmed 22 days ago
B+
Retailer 14
-
$8,907 NZD
$5,020 USD
View
Retailer 15
-
$10,353 NZD
$5,835 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
21808577A · Oct 29
$11,214 NZD
$6,320 USD
View
15 more retailers have this diamond
Prices start from $2,017 NZDSave up to $9,197 NZD

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
6.51ct Cushion
$2,017 NZD