CaratHunter
Plans
Cushion|Lab Grown|IGI

3.51ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG752556423

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG752556423

Diamond specifications and retailer prices

From $1,813 NZD
$1,022 USD
As of October 31, 2026
Save $10,784 NZD (86%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $12,598 NZD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.51ct lab-grown cushion diamond

This 3.51ct 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 LG752556423 or 752556423. Listed at 23 retailers as of October 30, 2026, with prices from $1,813 to $12,598, a $10,784 spread on the same certified stone. Brilliant Earth lists it at $12,598. 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

3.51
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.9°
Pavilion angle32.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG752556423
Dimensions10.35 × 7.43 × 4.90 mm
L/W Ratio1.39
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.35 mm7.43 mm3.51 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG752556423
Side View
Table 66.0%Crown 40.9°Girdle: THK-VTKPavilion 32.7°Culet: NoneDepth 65.9%

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: $12,598 NZD|Low: $1,813 NZD|High: $15,969 NZD|Avg: $4,993 NZD|-21.1%
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
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
October 31, 2026
Retailer 6$1,813 NZD
Retailer 5$1,879 NZD
Retailer 3$2,180 NZD
Retailer 4$2,182 NZD
Retailer 8$2,394 NZD
Retailer 21$2,688 NZD
Retailer 18$2,893 NZD
Retailer 13$2,988 NZD
Retailer 19$3,714 NZD
Retailer 17$4,242 NZD
Retailer 12$4,290 NZD
Retailer 20$4,362 NZD
Retailer 10$4,576 NZD
Retailer 15$5,192 NZD
Retailer 2$5,876 NZD
Retailer 7$6,153 NZD
Retailer 9$6,305 NZD
Retailer 22$6,379 NZD
Retailer 11$6,529 NZD
Retailer 14$6,767 NZD
Retailer 16$7,434 NZD
Brilliant Earth$12,598 NZD

31 data points across 22 retailers

23 retailers$1,813 NZD to $12,598 NZD

A
Cheapest Retailer
-
$1,813 NZD
$1,022 USD
Final sale: no returns
Retailer 2
-
$1,879 NZD
$1,059 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
$2,180 NZD
HK$9,600 HKD
View
A
Retailer 4
-
$2,182 NZD
$1,230 USD
View
A
Retailer 5
-
$2,394 NZD
$1,349 USD
View
A
Retailer 6
-
$2,688 NZD
$1,515 USD
View
A
Retailer 7
-
$2,893 NZD
£1,284 GBP
View
A
Retailer 8
-
$2,988 NZD
€1,604 EUR
View
A
Retailer 9
-
$3,714 NZD
$2,093 USD
View
B+
Retailer 10
-
$4,242 NZD
A$3,678 AUD
View
B+
Retailer 11
-
$4,290 NZD
$2,418 USD
View
B+
Retailer 12
-
$4,362 NZD
ZAR 39,715 ZAR
View
B+
Retailer 13
-
$4,576 NZD
$2,579 USD
View
B+
Retailer 14
-
$5,192 NZD
£2,304 GBP
View
B+
Retailer 15
-
$5,577 NZD
$3,143 USD
View
B+
Retailer 16
-
$5,876 NZD
$3,312 USD
View
B+
Retailer 17
-
$6,153 NZD
$3,468 USD
View
B+
Retailer 18
-
$6,305 NZD
SGD 4,802 SGD
View
B+
Retailer 19
-
$6,379 NZD
£2,831 GBP
View
B+
Retailer 20
-
$6,529 NZD
$3,680 USD
View
B
Retailer 21
-
$6,758 NZD
$3,809 USD
View
B+
Retailer 22
-
$7,434 NZD
A$6,446 AUD
View
Most Expensive
B
Brilliant Earth
16855551A · Oct 30
$12,598 NZD
$7,100 USD
View
22 more retailers have this diamond
Prices start from $1,813 NZDSave up to $10,784 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
3.51ct Cushion
$1,813 NZD