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Cushion|Lab Grown|IGI

3.10ct E VVS1 Cushion Lab Grown Diamond

EX • E/VVS1 • IGI LG826665919

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG826665919

Diamond specifications and retailer prices

From $1,519 NZD
$856 USD
As of October 28, 2026
Save $12,480 NZD (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $13,999 NZD at Brilliant Earth · As of October 28, 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 E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG826665919 or 826665919. Listed at 15 retailers as of October 28, 2026, with prices from $1,519 to $13,999, a $12,480 spread on the same certified stone. Brilliant Earth lists it at $13,999. 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
E
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.5°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826665919
Dimensions10.86 × 7.50 × 4.86 mm
L/W Ratio1.45
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.86 mm7.50 mm3.10 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826665919
Side View
Table 63.0%Crown 30.5°Girdle: MED-STKPavilion 34.2°Culet: NoneDepth 64.8%

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 28
Current: $13,999 NZD|Low: $1,519 NZD|High: $14,425 NZD|Avg: $4,738 NZD|-3.0%
Brilliant Earth
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
Retailer 17
October 28, 2026
Retailer 3$1,519 NZD
Retailer 11$1,694 NZD
Retailer 10$1,893 NZD
Retailer 7$2,021 NZD
Retailer 16$2,457 NZD
Retailer 13$2,459 NZD
Retailer 2$2,473 NZD
Retailer 6$2,630 NZD
Retailer 4$4,169 NZD
Retailer 12$4,707 NZD
Retailer 17$4,988 NZD
Retailer 8$5,111 NZD
Retailer 5$5,798 NZD
Retailer 14$6,091 NZD
Retailer 15$7,142 NZD
Retailer 9$7,626 NZD
Brilliant Earth$13,999 NZD

15 data points across 17 retailers

15 retailers$1,519 NZD to $13,999 NZD

A
Cheapest Retailer
-
$1,519 NZD
$856 USD
Final sale: no returns
A
Retailer 2
-
$1,694 NZD
$955 USD
View
A
Retailer 3
-
$1,893 NZD
£840 GBP
View
A
Retailer 4
-
$2,021 NZD
HK$8,900 HKD
View
A
Retailer 5
-
$2,457 NZD
$1,385 USD
View
A
Retailer 6
-
$2,459 NZD
€1,320 EUR
View
A
Retailer 7
-
$2,473 NZD
£1,098 GBP
View
A
Retailer 8
-
$2,630 NZD
$1,482 USD
View
B+
Retailer 9
-
$4,169 NZD
$2,350 USD
View
B+
Retailer 10
-
$4,707 NZD
$2,653 USD
View
B+
Retailer 11
-
$4,988 NZD
$2,811 USD
View
B
Retailer 12
-
$5,798 NZD
$3,268 USD
View
B
Retailer 13
-
$6,091 NZD
£2,703 GBP
View
Retailer 14
-
$7,142 NZD
$4,025 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
21192147Y · Oct 28
$13,999 NZD
$7,890 USD
View
14 more retailers have this diamond
Prices start from $1,519 NZDSave up to $12,480 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
$1,519 NZD