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Cushion|Lab Grown|IGI

2.56ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG816606217

Shape and cutting style on the report: Antique cushion cut

Certificate IGI LG816606217

Diamond specifications and retailer prices

From $771 NZD
$433 USD
As of October 29, 2026
Save $2,759 NZD (78%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,530 NZD at MOH London · As of October 29, 2026
View at MOH London

About this 2.56ct lab-grown cushion diamond

This 2.56ct lab-grown cushion sits in the two to three carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG816606217 or 816606217. Listed at 15 retailers as of October 29, 2026, with prices from $771 to $3,530, a $2,759 spread on the same certified stone. MOH London lists it at $3,530. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

2.56
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816606217
Dimensions9.71 × 7.27 × 4.54 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.71 mm7.27 mm2.56 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816606217
Side View
Table 67.0%Crown 35.7°Girdle: STK-THKPavilion 41°Culet: LargeDepth 62.4%

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 29
Current: $3,530 NZD|Low: $734 NZD|High: $3,530 NZD|Avg: $1,852 NZD|+1.4%
MOH London
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
October 30, 2026
Retailer 3$771 NZD
Retailer 11$864 NZD
Retailer 6$938 NZD
Retailer 7$947 NZD
Retailer 4$956 NZD
Retailer 9$1,442 NZD
Retailer 12$1,503 NZD
Retailer 10$1,537 NZD
Retailer 8$1,537 NZD
Retailer 2$1,578 NZD
Retailer 14$2,681 NZD
Retailer 15$3,073 NZD
Retailer 5$3,130 NZD
Retailer 13$3,449 NZD
MOH London$3,530 NZD

35 data points across 15 retailers

15 retailers$771 NZD to $3,530 NZD

A
Cheapest Retailer
-
$771 NZD
$433 USD
A
Retailer 2
-
$864 NZD
$485 USD
View
A
Retailer 3
-
$938 NZD
$527 USD
View
Final sale: no returns
Retailer 4
-
$947 NZD
$532 USD
View
Price last confirmed 17 days ago
A
Retailer 5
-
$956 NZD
$537 USD
View
A
Retailer 6
-
$1,442 NZD
$810 USD
View
B+
Retailer 7
-
$1,503 NZD
$844 USD
View
B+
Retailer 8
-
$1,537 NZD
$863 USD
View
B+
Retailer 9
-
$1,537 NZD
€822 EUR
View
B+
Retailer 10
-
$1,578 NZD
£698 GBP
View
B
Retailer 11
-
$2,681 NZD
$1,506 USD
View
B
Retailer 12
-
$3,073 NZD
$1,726 USD
View
B
Retailer 13
-
$3,130 NZD
$1,758 USD
View
B
Retailer 14
-
$3,449 NZD
$1,937 USD
View
Most Expensive
B
MOH London
LG816606217 · Oct 29
$3,530 NZD
£1,561 GBP
View
14 more retailers have this diamond
Prices start from $771 NZDSave up to $2,759 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
2.56ct Cushion
$771 NZD