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1.54ct I SI1 Round Lab Grown Diamond

EX • I/SI1 • IGI LG442067076

Shape and cutting style on the report: Round brilliant

Certificate IGI LG442067076

Diamond specifications and retailer prices

From $1,512 NZD
As of November 5, 2026
Save $6,741 NZD (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $8,253 NZD at MOH London · As of November 3, 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 LG442067076 or 442067076. Listed at 11 retailers as of November 3, 2026, with prices from $1,512 to $8,253, a $6,741 spread on the same certified stone. MOH London lists it at $8,253. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG442067076
Dimensions7.29 × 7.31 × 4.61 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.29 mm7.31 mm1.54 ctI / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG442067076
Side View
Table 59.0%Crown 36.3°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 63.2%

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 5
Current: $8,253 NZD|Low: $1,512 NZD|High: $8,364 NZD|Avg: $4,288 NZD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 2$1,512 NZD
Retailer 4$2,490 NZD
Retailer 7$2,789 NZD
Retailer 5$2,889 NZD
Retailer 8$2,889 NZD
Retailer 9$3,193 NZD
Retailer 11$3,946 NZD
Retailer 6$4,561 NZD
Retailer 10$5,244 NZD
MOH London$8,253 NZD
Retailer 3$8,270 NZD

13 data points across 11 retailers

11 retailers$1,512 NZD to $8,253 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
-
$5,244 NZD
View
B
Retailer 10
-
$5,417 NZD
View
Most Expensive
B
MOH London
LG442067076 · Nov 3
$8,253 NZD
£3,653 GBP
View
10 more retailers have this diamond
Prices start from $1,512 NZDSave up to $6,741 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