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2.54ct K SI1 Round Lab Grown Diamond

ID • K/SI1 • IGI LG476185675

Shape and cutting style on the report: Round brilliant

Certificate IGI LG476185675

Diamond specifications and retailer prices

From $3,937 NZD
As of November 5, 2026
Save $8,421 NZD (68%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $12,358 NZD at MOH London · As of November 5, 2026
View at MOH London

About this 2.54ct lab-grown round diamond

This 2.54ct lab-grown round sits in the two to three carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG476185675 or 476185675. Listed at 10 retailers as of November 5, 2026, with prices from $3,937 to $12,358, a $8,421 spread on the same certified stone. MOH London lists it at $12,358. 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
K
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG476185675
Dimensions8.74 × 8.78 × 5.39 mm
L/W Ratio1.00
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
8.74 mm8.78 mm2.54 ctK / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG476185675
Side View
Table 56.5%Crown 35.5°GirdlePavilion 40.4°Culet: NoneDepth 61.5%

Caratlytics Score

How it works →
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: Nov 5
Current: $12,358 NZD|Low: $3,780 NZD|High: $12,557 NZD|Avg: $6,358 NZD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 5$3,937 NZD
Retailer 2$4,428 NZD
Retailer 6$4,566 NZD
Retailer 8$4,566 NZD
Retailer 3$4,856 NZD
Retailer 9$5,829 NZD
Retailer 7$7,130 NZD
Retailer 4$7,158 NZD
MOH London$12,358 NZD

40 data points across 9 retailers

10 retailers$3,937 NZD to $12,358 NZD

A
Cheapest Retailer
-
$3,937 NZD
A
Retailer 2
-
$4,284 NZD
View
A
Retailer 3
-
$4,428 NZD
View
Retailer 4
-
$4,566 NZD
View
Price last confirmed 26 days ago
B+
Retailer 5
-
$4,566 NZD
View
B+
Retailer 6
-
$4,856 NZD
View
B
Retailer 7
-
$6,278 NZD
View
B
Retailer 8
-
$7,130 NZD
View
B
Retailer 9
-
$7,158 NZD
View
Most Expensive
B
MOH London
LG476185675 · Nov 5
$12,358 NZD
£5,470 GBP
View
9 more retailers have this diamond
Prices start from $3,937 NZDSave up to $8,421 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
$3,937 NZD