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1.54ct I SI2 Round Lab Grown Diamond

ID • I/SI2 • IGI LG499107998

Shape and cutting style on the report: Round brilliant

Certificate IGI LG499107998

Diamond specifications and retailer prices

From $1,526 NZD
$860 USD
As of October 30, 2026
Save $6,850 NZD (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $8,376 NZD at MOH London · As of October 29, 2026
View at MOH London

About this 1.54ct lab-grown round diamond

This 1.54ct lab-grown round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG499107998 or 499107998. Listed at 10 retailers as of October 29, 2026, with prices from $1,526 to $8,376, a $6,850 spread on the same certified stone. MOH London lists it at $8,376. 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

1.54
Carat
I
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG499107998
Dimensions7.40 × 7.35 × 4.57 mm
L/W Ratio1.01
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
7.40 mm7.35 mm1.54 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG499107998
Side View
Table 56.0%Crown 35.3°Girdle: MediumPavilion 40.5°Culet: NoneDepth 62.0%

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 30
Current: $8,376 NZD|Low: $1,526 NZD|High: $8,441 NZD|Avg: $4,369 NZD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 2$1,526 NZD
Retailer 4$2,502 NZD
Retailer 6$3,591 NZD
Retailer 3$4,108 NZD
Retailer 5$4,833 NZD
Retailer 7$5,805 NZD
MOH London$8,376 NZD

13 data points across 7 retailers

10 retailers$1,526 NZD to $8,376 NZD

A
Cheapest Retailer
-
$1,526 NZD
$860 USD
A
Retailer 2
-
$2,236 NZD
$1,260 USD
View
B+
Retailer 3
-
$2,433 NZD
$1,371 USD
View
B+
Retailer 4
-
$2,502 NZD
$1,410 USD
View
Final sale: no returns
B+
Retailer 5
-
$2,592 NZD
$1,461 USD
View
Retailer 6
-
$2,592 NZD
$1,461 USD
View
Price last confirmed 17 days ago
B
Retailer 7
-
$4,108 NZD
$2,315 USD
View
B
Retailer 8
-
$4,833 NZD
$2,724 USD
View
B
Retailer 9
-
$4,860 NZD
$2,739 USD
View
Most Expensive
B
MOH London
LG499107998 · Oct 29
$8,376 NZD
£3,717 GBP
View
9 more retailers have this diamond
Prices start from $1,526 NZDSave up to $6,850 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
1.54ct Round
$1,526 NZD