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1.54ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG570365982

Shape and cutting style on the report: Round brilliant

Certificate IGI LG570365982

Diamond specifications and retailer prices

From $514 NZD
As of November 4, 2026
Save $1,578 NZD (75%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,092 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG570365982 or 570365982. Listed at 11 retailers as of November 4, 2026, with prices from $514 to $2,092, a $1,578 spread on the same certified stone. MOH London lists it at $2,092. 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
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG570365982
Dimensions7.50 × 7.46 × 4.50 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.50 mm7.46 mm1.54 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG570365982
Side View
Table 59.5%Crown 32.8°GirdlePavilion 41.1°Culet: NoneDepth 60.3%

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 4
Current: $2,092 NZD|Low: $374 NZD|High: $2,309 NZD|Avg: $1,217 NZD|-8.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 9$514 NZD
Retailer 3$801 NZD
Retailer 8$818 NZD
Retailer 5$884 NZD
Retailer 2$977 NZD
Retailer 4$1,106 NZD
Retailer 6$1,688 NZD
Retailer 7$1,774 NZD
MOH London$2,092 NZD

41 data points across 9 retailers

11 retailers$514 NZD to $2,092 NZD

Retailer 1
-
$459 NZD
Price last confirmed 44 days ago
A
Retailer 2
-
$514 NZD
View
Final sale: no returns
Retailer 3
-
$532 NZD
View
Price last confirmed 45 days ago
Retailer 4
-
$562 NZD
View
Price last confirmed 44 days ago
A
Retailer 5
-
$801 NZD
View
B+
Retailer 6
-
$884 NZD
View
A
Retailer 7
-
$977 NZD
View
B+
Retailer 8
-
$1,106 NZD
View
B
Retailer 9
-
$1,688 NZD
View
B
Retailer 10
-
$1,774 NZD
View
Most Expensive
B
MOH London
LG570365982 · Nov 5
$2,092 NZD
£926 GBP
View
10 more retailers have this diamond
Prices start from $514 NZDSave up to $1,578 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
$514 NZD