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Cushion|Lab Grown|IGI

3.57ct E VVS1 Cushion Lab Grown Diamond

EX • E/VVS1 • IGI LG786628412

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG786628412

Diamond specifications and retailer prices

From $1,893 NZD
$1,063 USD
As of October 29, 2026
Save $4,931 NZD (72%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $15,366 NZD at Brilliant Earth · As of September 23, 2026
View at Brilliant Earth

About this 3.57ct lab-grown cushion diamond

This 3.57ct 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 LG786628412 or 786628412. Listed at 20 retailers as of October 28, 2026, with a 261% 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

3.57
Carat
E
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle36.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786628412
Dimensions10.79 × 7.87 × 10.79 mm
L/W Ratio1.37
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.79 mm7.87 mm3.57 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786628412
Side View
Table 63.0%Crown 33.5°Girdle: STK-THKPavilion 36.3°Culet: NoneDepth 67.5%

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 29
Current: $3,013 NZD|Low: $1,893 NZD|High: $8,033 NZD|Avg: $4,520 NZD|-19.0%
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 29, 2026
Retailer 5$1,893 NZD
Retailer 11$2,064 NZD
Retailer 17$2,279 NZD
Retailer 16$2,359 NZD
Retailer 4$2,477 NZD
Retailer 15$2,728 NZD
Retailer 1$3,013 NZD
Retailer 12$3,087 NZD
Retailer 3$3,857 NZD
Retailer 19$4,424 NZD
Retailer 2$4,453 NZD
Retailer 13$4,553 NZD
Retailer 7$5,427 NZD
Retailer 18$6,080 NZD
Retailer 8$6,383 NZD
Retailer 9$6,576 NZD
Retailer 14$6,684 NZD
Retailer 6$6,823 NZD
Retailer 10$7,664 NZD

31 data points across 19 retailers

20 retailers$1,893 NZD to $6,823 NZD

A
Cheapest Retailer
-
$1,893 NZD
$1,063 USD
Final sale: no returns
A
Retailer 2
-
$2,064 NZD
$1,159 USD
View
Price last confirmed 12 days ago
A
Retailer 3
-
$2,279 NZD
HK$10,000 HKD
View
A
Retailer 4
-
$2,359 NZD
$1,325 USD
View
A
Retailer 5
-
$2,477 NZD
$1,391 USD
View
A
Retailer 6
-
$2,728 NZD
$1,532 USD
View
A
Retailer 7
-
$3,013 NZD
£1,332 GBP
View
A
Retailer 8
-
$3,087 NZD
€1,651 EUR
View
A
Retailer 9
-
$3,857 NZD
$2,166 USD
View
B+
Retailer 10
-
$4,424 NZD
A$3,823 AUD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
$4,453 NZD
$2,501 USD
View
B+
Retailer 12
-
$4,553 NZD
ZAR 41,307 ZAR
View
B+
Retailer 13
-
$5,427 NZD
£2,400 GBP
View
B+
Retailer 14
-
$6,080 NZD
$3,415 USD
View
B+
Retailer 15
-
$6,383 NZD
$3,585 USD
View
B+
Retailer 16
-
$6,576 NZD
SGD 4,991 SGD
View
B+
Retailer 17
-
$6,684 NZD
£2,956 GBP
View
B+
Retailer 18
-
$6,823 NZD
$3,832 USD
View
B+
Retailer 19
-
$7,664 NZD
A$6,622 AUD
View
Price last confirmed 27 days ago
Most Expensive
B
Brilliant Earth
20268737A · Sep 23
$15,366 NZD
$8,630 USD
View
Price last confirmed 36 days ago
19 more retailers have this diamond
Prices start from $1,893 NZDSave up to $4,931 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
3.57ct Cushion
$1,893 NZD