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Cushion|Lab Grown|IGI

2.61ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG492142929

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG492142929

Diamond specifications and retailer prices

From $648 NZD
$364 USD
As of October 28, 2026
Save $4,498 NZD (87%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $5,146 NZD at Do Amore Diamonds · As of October 28, 2026
View at Do Amore Diamonds

About this 2.61ct lab-grown cushion diamond

This 2.61ct 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 LG492142929 or 492142929. Listed at 14 retailers as of October 28, 2026, with prices from $648 to $5,146, a $4,498 spread on the same certified stone. Do Amore Diamonds lists it at $5,146. 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

2.61
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492142929
Dimensions8.54 × 7.68 × 5.25 mm
L/W Ratio1.11
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.54 mm7.68 mm2.61 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492142929
Side View
Table 60.0%Crown 32.6°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 68.4%

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 28
Current: $1,428 NZD|Low: $648 NZD|High: $5,146 NZD|Avg: $1,975 NZD|+3.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 11$648 NZD
Retailer 9$718 NZD
Retailer 8$837 NZD
Retailer 3$956 NZD
Retailer 4$1,232 NZD
Retailer 2$1,387 NZD
Retailer 1$1,428 NZD
Retailer 10$2,659 NZD
Retailer 5$3,100 NZD
Retailer 6$3,650 NZD
Retailer 7$4,238 NZD

41 data points across 11 retailers

14 retailers$648 NZD to $5,146 NZD

A
Cheapest Retailer
-
$648 NZD
$364 USD
Final sale: no returns
A
Retailer 2
-
$718 NZD
$403 USD
View
A
Retailer 3
-
$837 NZD
$470 USD
View
B+
Retailer 4
-
$956 NZD
$537 USD
View
A
Retailer 5
-
$1,229 NZD
$690 USD
View
A
Retailer 6
-
$1,232 NZD
€659 EUR
View
A
Retailer 7
-
$1,387 NZD
$779 USD
View
A
Retailer 8
-
$1,428 NZD
£631 GBP
View
B
Retailer 9
-
$2,364 NZD
$1,328 USD
View
B
Retailer 10
-
$2,659 NZD
$1,493 USD
View
B
Retailer 11
-
$3,100 NZD
£1,371 GBP
View
Retailer 12
-
$3,650 NZD
$2,050 USD
View
Price last confirmed 8 days ago
B
Retailer 13
-
$4,238 NZD
$2,380 USD
View
Most Expensive
B
Do Amore Diamonds
27-B74B41037 · Oct 28
$5,146 NZD
$2,890 USD
View
13 more retailers have this diamond
Prices start from $648 NZDSave up to $4,498 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
2.61ct Cushion
$648 NZD