Cushion|Lab Grown|IGI

3.10ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG787638314

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG787638314

Diamond specifications and retailer prices

From $967 NZD
$545 USD
As of October 31, 2026
Save $6,716 NZD (87%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $7,683 NZD at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 3.1ct lab-grown cushion diamond

This 3.1ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG787638314 or 787638314. Listed at 20 retailers as of October 31, 2026, with prices from $967 to $7,683, a $6,716 spread on the same certified stone. Do Amore Diamonds lists it at $7,683. 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

3.10
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.3°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787638314
Dimensions8.61 × 8.23 × 5.74 mm
L/W Ratio1.05
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.61 mm8.23 mm3.10 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787638314
Side View
Table 64.0%Crown 40.3°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 69.7%

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: $7,683 NZD|Low: $967 NZD|High: $8,020 NZD|Avg: $3,267 NZD|-4.2%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
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Retailer 7
Retailer 8
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Retailer 11
Retailer 12
Retailer 13
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Retailer 19
Retailer 20
November 1, 2026
Retailer 7$967 NZD
Retailer 12$1,120 NZD
Retailer 5$1,408 NZD
Retailer 3$1,599 NZD
Retailer 17$1,623 NZD
Retailer 18$1,671 NZD
Retailer 13$1,844 NZD
Retailer 4$2,010 NZD
Retailer 15$2,500 NZD
Retailer 16$2,571 NZD
Retailer 19$2,658 NZD
Retailer 9$3,434 NZD
Retailer 20$3,722 NZD
Retailer 8$4,012 NZD
Retailer 6$4,051 NZD
Retailer 10$4,107 NZD
Retailer 14$4,326 NZD
Retailer 2$4,942 NZD
Retailer 11$5,376 NZD
Do Amore Diamonds$7,683 NZD

38 data points across 20 retailers

20 retailers$967 NZD to $7,683 NZD

A
Cheapest Retailer
-
$967 NZD
$545 USD
Final sale: no returns
Retailer 2
-
$1,120 NZD
$631 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
$1,408 NZD
HK$6,200 HKD
View
A
Retailer 4
-
$1,599 NZD
$901 USD
View
A
Retailer 5
-
$1,623 NZD
$915 USD
View
A
Retailer 6
-
$1,671 NZD
$942 USD
View
A
Retailer 7
-
$1,844 NZD
£818 GBP
View
A
Retailer 8
-
$2,010 NZD
$1,133 USD
View
A
Retailer 9
-
$2,500 NZD
A$2,168 AUD
View
A
Retailer 10
-
$2,571 NZD
ZAR 23,409 ZAR
View
A
Retailer 11
-
$2,658 NZD
$1,498 USD
View
B+
Retailer 12
-
$3,434 NZD
£1,524 GBP
View
B+
Retailer 13
-
$3,722 NZD
$2,098 USD
View
B+
Retailer 14
-
$4,012 NZD
$2,261 USD
View
B+
Retailer 15
-
$4,051 NZD
$2,283 USD
View
B+
Retailer 16
-
$4,107 NZD
SGD 3,128 SGD
View
B+
Retailer 17
-
$4,326 NZD
A$3,751 AUD
View
B+
Retailer 18
-
$4,942 NZD
£2,193 GBP
View
Retailer 19
-
$5,376 NZD
$3,030 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Do Amore Diamonds
27-0C3FF12A9 · Nov 1
$7,683 NZD
$4,330 USD
View
19 more retailers have this diamond
Prices start from $967 NZDSave up to $6,716 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
3.10ct Cushion
$967 NZD