CaratHunter
Plans
Round|Lab Grown|IGI

1.54ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG841641630

Shape and cutting style on the report: Round brilliant

Certificate IGI LG841641630

Diamond specifications and retailer prices

From $331 NZD
As of November 3, 2026
Save $1,587 NZD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,918 NZD at MOH London · As of November 2, 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 LG841641630 or 841641630. Listed at 15 retailers as of November 2, 2026, with prices from $331 to $1,918, a $1,587 spread on the same certified stone. MOH London lists it at $1,918. 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 angle35°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841641630
Dimensions7.45 × 7.38 × 4.54 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.45 mm7.38 mm1.54 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841641630
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.3%

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 3
Current: $1,918 NZD|Low: $331 NZD|High: $1,927 NZD|Avg: $917 NZD|-0.5%
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
Retailer 15
November 5, 2026
Retailer 7$331 NZD
Retailer 15$384 NZD
Retailer 4$411 NZD
Retailer 11$411 NZD
Retailer 8$704 NZD
Retailer 5$722 NZD
Retailer 2$733 NZD
Retailer 10$736 NZD
Retailer 13$767 NZD
Retailer 3$1,005 NZD
Retailer 9$1,263 NZD
Retailer 14$1,318 NZD
Retailer 12$1,393 NZD
Retailer 6$1,583 NZD
MOH London$1,918 NZD

19 data points across 15 retailers

15 retailers$331 NZD to $1,918 NZD

A
Cheapest Retailer
-
$331 NZD
A
Retailer 2
-
$384 NZD
View
Retailer 3
-
$411 NZD
View
Price last confirmed 12 days ago
A
Retailer 4
-
$411 NZD
View
A
Retailer 5
-
$704 NZD
View
B+
Retailer 6
-
$722 NZD
View
A
Retailer 7
-
$733 NZD
View
A
Retailer 8
-
$736 NZD
View
A
Retailer 9
-
$767 NZD
View
B+
Retailer 10
-
$1,005 NZD
View
B+
Retailer 11
-
$1,263 NZD
View
B
Retailer 12
-
$1,318 NZD
View
B+
Retailer 13
-
$1,393 NZD
View
B
Retailer 14
-
$1,583 NZD
View
Most Expensive
B
MOH London
LG841641630 · Nov 2
$1,918 NZD
£849 GBP
View
14 more retailers have this diamond
Prices start from $331 NZDSave up to $1,587 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
$331 NZD