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Cushion|Lab Grown|IGI

3.10ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG844685029

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

Certificate IGI LG844685029

Diamond specifications and retailer prices

From $1,091 NZD
$614 USD
As of October 29, 2026
Save $6,263 NZD (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $7,354 NZD at Helzberg Diamonds · As of November 1, 2026
View at Helzberg 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 LG844685029 or 844685029. Listed at 15 retailers as of October 29, 2026, with prices from $1,091 to $7,354, a $6,263 spread on the same certified stone. Helzberg Diamonds lists it at $7,354. 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 angle36.2°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844685029
Dimensions8.37 × 8.24 × 5.38 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
8.37 mm8.24 mm3.10 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844685029
Side View
Table 62.0%Crown 36.2°Girdle: MED-THKPavilion 35.9°Culet: NoneDepth 65.3%

Caratlytics Score

How it works →
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 29
Current: $7,354 NZD|Low: $1,091 NZD|High: $7,354 NZD|Avg: $3,294 NZD
Helzberg 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
Retailer 15
November 1, 2026
Retailer 3$1,091 NZD
Retailer 12$1,244 NZD
Retailer 8$1,405 NZD
Retailer 4$1,550 NZD
Retailer 13$1,628 NZD
Retailer 9$1,758 NZD
Retailer 11$2,540 NZD
Retailer 14$2,636 NZD
Retailer 7$4,042 NZD
Retailer 10$4,333 NZD
Retailer 2$4,684 NZD
Retailer 5$5,060 NZD
Retailer 15$5,447 NZD
Retailer 6$7,234 NZD
Helzberg Diamonds$7,354 NZD

12 data points across 15 retailers

15 retailers$1,091 NZD to $7,354 NZD

A
Cheapest Retailer
-
$1,091 NZD
$614 USD
Final sale: no returns
A
Retailer 2
-
$1,244 NZD
$700 USD
View
A
Retailer 3
-
$1,405 NZD
£623 GBP
View
B+
Retailer 4
-
$1,550 NZD
$872 USD
View
A
Retailer 5
-
$1,628 NZD
$916 USD
View
A
Retailer 6
-
$1,758 NZD
€942 EUR
View
A
Retailer 7
-
$2,540 NZD
$1,429 USD
View
A
Retailer 8
-
$2,636 NZD
$1,483 USD
View
B+
Retailer 9
-
$4,042 NZD
$2,274 USD
View
B+
Retailer 10
-
$4,333 NZD
A$3,751 AUD
View
B+
Retailer 11
-
$4,684 NZD
£2,075 GBP
View
B
Retailer 12
-
$5,060 NZD
$2,847 USD
View
Retailer 13
-
$5,447 NZD
$3,065 USD
View
Price last confirmed 12 days ago
B
Retailer 14
-
$7,234 NZD
$4,070 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOKKMOLGIP · Nov 1
$7,354 NZD
$4,138 USD
View
14 more retailers have this diamond
Prices start from $1,091 NZDSave up to $6,263 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
$1,091 NZD