Cushion|Lab Grown|IGI

3.14ct H SI1 Cushion Lab Grown Diamond

EX • H/SI1 • IGI LG576318561

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG576318561

Diamond specifications and retailer prices

From $624 NZD
As of November 6, 2026
Save $2,160 NZD (78%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,784 NZD at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 3.14ct lab-grown cushion diamond

This 3.14ct lab-grown cushion sits in the three to five carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG576318561 or 576318561. Listed at 10 retailers as of November 6, 2026, with prices from $624 to $2,784, a $2,160 spread on the same certified stone. Reve Diamonds lists it at $2,784. 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

3.14
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle31.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG576318561
Dimensions8.27 × 8.13 × 5.22 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.27 mm8.13 mm3.14 ctH / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG576318561
Side View
Table 61.0%Crown 35.1°Girdle: MED-THKPavilion 31.6°Culet: NoneDepth 64.2%

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: Nov 6
Current: $823 NZD|Low: $624 NZD|High: $2,809 NZD|Avg: $1,585 NZD|-1.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Reve Diamonds
November 6, 2026
Retailer 8$624 NZD
Retailer 6$693 NZD
Retailer 7$761 NZD
Retailer 1$823 NZD
Retailer 3$974 NZD
Retailer 5$1,001 NZD
Retailer 9$1,977 NZD
Retailer 10$2,309 NZD
Retailer 2$2,549 NZD
Retailer 4$2,773 NZD
Reve Diamonds$2,784 NZD

30 data points across 11 retailers

10 retailers$624 NZD to $2,784 NZD

A
Cheapest Retailer
-
$624 NZD
Final sale: no returns
Retailer 2
-
$693 NZD
View
Price last confirmed 26 days ago
A
Retailer 3
-
$761 NZD
View
A
Retailer 4
-
$823 NZD
View
A
Retailer 5
-
$974 NZD
View
B+
Retailer 6
-
$1,001 NZD
View
B+
Retailer 7
-
$1,977 NZD
View
B+
Retailer 8
-
$2,309 NZD
View
B+
Retailer 9
-
$2,773 NZD
View
Most Expensive
B+
Reve Diamonds
6086EB15D · Nov 6
$2,784 NZD
$1,543 USD
View
9 more retailers have this diamond
Prices start from $624 NZDSave up to $2,160 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
3.14ct Cushion
$624 NZD