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Round|Lab Grown|IGI

2.54ct E SI2 Round Lab Grown Diamond

EX • E/SI2 • IGI LG717585531

Shape and cutting style on the report: Round brilliant

Certificate IGI LG717585531

Diamond specifications and retailer prices

From $525 NZD
$296 USD
As of October 29, 2026
Save $4,638 NZD (90%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,163 NZD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 2.54ct lab-grown round diamond

This 2.54ct lab-grown round sits in the two to three carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG717585531 or 717585531. Listed at 15 retailers as of October 28, 2026, with prices from $525 to $5,163, a $4,638 spread on the same certified stone. Brilliant Earth lists it at $5,163. 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

2.54
Carat
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG717585531
Dimensions8.63 × 8.56 × 5.48 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.63 mm8.56 mm2.54 ctE / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG717585531
Side View
Table 59.0%Crown 36.3°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 63.7%

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: $5,163 NZD|Low: $363 NZD|High: $5,305 NZD|Avg: $1,387 NZD|-2.7%
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
October 30, 2026
Retailer 6$363 NZD
Retailer 11$525 NZD
Retailer 4$589 NZD
Retailer 15$610 NZD
Retailer 5$653 NZD
Retailer 12$653 NZD
Retailer 2$1,056 NZD
Retailer 13$1,068 NZD
Retailer 8$1,150 NZD
Retailer 7$1,199 NZD
Retailer 14$1,318 NZD
Retailer 10$1,668 NZD
Retailer 3$2,097 NZD
Retailer 9$2,627 NZD
Brilliant Earth$5,163 NZD

41 data points across 15 retailers

15 retailers$525 NZD to $5,163 NZD

A
Cheapest Retailer
-
$525 NZD
$296 USD
A
Retailer 2
-
$589 NZD
$332 USD
View
Final sale: no returns
A
Retailer 3
-
$610 NZD
$344 USD
View
A
Retailer 4
-
$653 NZD
$368 USD
View
A
Retailer 5
-
$653 NZD
$368 USD
View
A
Retailer 6
-
$1,056 NZD
£469 GBP
View
B+
Retailer 7
-
$1,068 NZD
$602 USD
View
A
Retailer 8
-
$1,150 NZD
£511 GBP
View
A
Retailer 9
-
$1,199 NZD
$676 USD
View
A
Retailer 10
-
$1,318 NZD
$743 USD
View
B+
Retailer 11
-
$1,668 NZD
$940 USD
View
Retailer 12
-
$1,829 NZD
$1,031 USD
View
Price last confirmed 44 days ago
B+
Retailer 13
-
$2,097 NZD
$1,182 USD
View
B
Retailer 14
-
$2,627 NZD
£1,166 GBP
View
Most Expensive
B
Brilliant Earth
15303157A · Oct 28
$5,163 NZD
$2,910 USD
View
14 more retailers have this diamond
Prices start from $525 NZDSave up to $4,638 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
2.54ct Round
$525 NZD