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Cushion|Lab Grown|IGI

3.10ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG836630171

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

Certificate IGI LG836630171

Diamond specifications and retailer prices

From $1,004 NZD
$566 USD
As of October 31, 2026
Save $3,635 NZD (78%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $6,600 NZD at Brilliant Earth · As of October 24, 2026
View at Brilliant Earth

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 LG836630171 or 836630171. Listed at 16 retailers as of October 31, 2026, with a 362% 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

3.10
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836630171
Dimensions8.28 × 8.14 × 5.56 mm
L/W Ratio1.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.28 mm8.14 mm3.10 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836630171
Side View
Table 66.0%Crown 36.4°Girdle: STK-THKPavilion 40.4°Culet: NoneDepth 68.3%

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 31
Current: $4,640 NZD|Low: $1,004 NZD|High: $4,696 NZD|Avg: $2,562 NZD|-1.0%
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
November 1, 2026
Retailer 15$1,004 NZD
Retailer 13$1,226 NZD
Retailer 11$1,340 NZD
Retailer 12$1,410 NZD
Retailer 2$1,535 NZD
Retailer 9$1,621 NZD
Retailer 8$1,851 NZD
Retailer 10$2,606 NZD
Retailer 4$2,628 NZD
Retailer 14$3,462 NZD
Retailer 6$3,519 NZD
Retailer 5$3,619 NZD
Retailer 7$3,753 NZD
Retailer 3$3,846 NZD
Retailer 1$4,640 NZD

25 data points across 15 retailers

16 retailers$1,004 NZD to $4,640 NZD

A
Cheapest Retailer
-
$1,004 NZD
$566 USD
Final sale: no returns
A
Retailer 2
-
$1,226 NZD
HK$5,400 HKD
View
A
Retailer 3
-
$1,340 NZD
$755 USD
View
Retailer 4
-
$1,410 NZD
£626 GBP
View
Price last confirmed 20 days ago
B+
Retailer 5
-
$1,535 NZD
$865 USD
View
A
Retailer 6
-
$1,621 NZD
€870 EUR
View
A
Retailer 7
-
$1,851 NZD
£822 GBP
View
A
Retailer 8
-
$2,606 NZD
$1,469 USD
View
A
Retailer 9
-
$2,628 NZD
$1,481 USD
View
B+
Retailer 10
-
$3,462 NZD
$1,951 USD
View
B+
Retailer 11
-
$3,519 NZD
SGD 2,680 SGD
View
B+
Retailer 12
-
$3,619 NZD
$2,040 USD
View
B+
Retailer 13
-
$3,753 NZD
$2,115 USD
View
B+
Retailer 14
-
$3,846 NZD
$2,168 USD
View
B+
Retailer 15
-
$4,640 NZD
£2,059 GBP
View
Most Expensive
Brilliant Earth
21801314A · Oct 24
$6,600 NZD
$3,720 USD
View
Price last confirmed 8 days ago
15 more retailers have this diamond
Prices start from $1,004 NZDSave up to $3,635 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
$1,004 NZD