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1.54ct I SI1 Round Lab Grown Diamond

ID • I/SI1 • IGI LG436073913

Shape and cutting style on the report: Round brilliant

Certificate IGI LG436073913

Diamond specifications and retailer prices

From $1,512 NZD
As of November 5, 2026
Save $6,718 NZD (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $8,230 NZD at MOH London · As of November 5, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436073913 or 436073913. Listed at 12 retailers as of November 5, 2026, with prices from $1,512 to $8,230, a $6,718 spread on the same certified stone. MOH London lists it at $8,230. 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
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436073913
Dimensions7.40 × 7.38 × 4.54 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.40 mm7.38 mm1.54 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436073913
Side View
Table 59.5%Crown 36.1°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 61.4%

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: Nov 5
Current: $8,230 NZD|Low: $1,512 NZD|High: $8,364 NZD|Avg: $3,922 NZD|-0.3%
MOH London
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
November 6, 2026
Retailer 7$1,512 NZD
Retailer 8$2,490 NZD
Retailer 11$2,711 NZD
Retailer 13$2,789 NZD
Retailer 9$2,889 NZD
Retailer 14$2,889 NZD
Retailer 3$3,193 NZD
Retailer 6$3,314 NZD
Retailer 5$3,946 NZD
Retailer 10$4,561 NZD
Retailer 2$5,196 NZD
Retailer 4$5,244 NZD
Retailer 12$5,417 NZD
MOH London$8,230 NZD

39 data points across 14 retailers

12 retailers$1,512 NZD to $8,230 NZD

A
Cheapest Retailer
-
$1,512 NZD
B+
Retailer 2
-
$2,490 NZD
View
B+
Retailer 3
-
$2,711 NZD
View
B+
Retailer 4
-
$2,789 NZD
View
Final sale: no returns
Retailer 5
-
$2,889 NZD
View
Price last confirmed 25 days ago
B+
Retailer 6
-
$2,889 NZD
View
B+
Retailer 7
-
$3,193 NZD
View
B
Retailer 8
-
$4,561 NZD
View
B
Retailer 9
-
$5,196 NZD
View
B
Retailer 10
-
$5,244 NZD
View
B
Retailer 11
-
$5,417 NZD
View
Most Expensive
B
MOH London
LG436073913 · Nov 5
$8,230 NZD
£3,643 GBP
View
11 more retailers have this diamond
Prices start from $1,512 NZDSave up to $6,718 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
$1,512 NZD