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Cushion|Lab Grown|IGI

6.51ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG610312110

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG610312110

Diamond specifications and retailer prices

From $2,764 NZD
$1,555 USD
As of November 3, 2026
Save $16,040 NZD (85%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $18,804 NZD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 6.51ct lab-grown cushion diamond

This 6.51ct lab-grown cushion sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG610312110 or 610312110. Listed at 13 retailers as of November 2, 2026, with prices from $2,764 to $18,804, a $16,040 spread on the same certified stone. Do Amore Diamonds lists it at $18,804. 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
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG610312110
Dimensions10.87 × 10.78 × 7.08 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
10.87 mm10.78 mm6.51 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG610312110
Side View
Table 63.0%Crown 35.3°Girdle: MED-STKPavilion 38.9°Culet: NoneDepth 65.7%

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: Nov 3
Current: $18,804 NZD|Low: $1,665 NZD|High: $18,804 NZD|Avg: $6,058 NZD
Do Amore Diamonds
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
November 3, 2026
Retailer 6$1,665 NZD
Retailer 11$2,456 NZD
Retailer 10$2,764 NZD
Retailer 7$2,854 NZD
Retailer 2$3,784 NZD
Retailer 14$3,898 NZD
Retailer 5$4,027 NZD
Retailer 9$5,022 NZD
Retailer 13$5,504 NZD
Retailer 3$6,555 NZD
Retailer 12$7,045 NZD
Retailer 8$8,708 NZD
Retailer 4$9,614 NZD
Do Amore Diamonds$18,804 NZD

40 data points across 14 retailers

13 retailers$2,764 NZD to $18,804 NZD

Retailer 1
-
$2,456 NZD
$1,382 USD
Price last confirmed 21 days ago
A
Retailer 2
-
$2,764 NZD
$1,555 USD
View
A
Retailer 3
-
$2,854 NZD
£1,264 GBP
View
A
Retailer 4
-
$3,784 NZD
£1,676 GBP
View
A
Retailer 5
-
$3,898 NZD
$2,193 USD
View
A
Retailer 6
-
$4,027 NZD
$2,266 USD
View
B+
Retailer 7
-
$5,022 NZD
A$4,347 AUD
View
B+
Retailer 8
-
$5,504 NZD
CA$4,301 CAD
View
B+
Retailer 9
-
$6,555 NZD
£2,904 GBP
View
B+
Retailer 10
-
$7,045 NZD
$3,964 USD
View
B+
Retailer 11
-
$8,708 NZD
£3,858 GBP
View
B
Retailer 12
-
$9,614 NZD
$5,409 USD
View
Most Expensive
B
Do Amore Diamonds
27-D7BDF13C1 · Nov 2
$18,804 NZD
$10,580 USD
View
12 more retailers have this diamond
Prices start from $2,764 NZDSave up to $16,040 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
$2,764 NZD