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1.54ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG794614188

Shape and cutting style on the report: Round brilliant

Certificate IGI LG794614188

Diamond specifications and retailer prices

From $353 NZD
$198 USD
As of October 26, 2026
Save $1,693 NZD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,045 NZD at MOH London · As of October 25, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG794614188 or 794614188. Listed at 19 retailers as of October 25, 2026, with prices from $353 to $2,045, a $1,693 spread on the same certified stone. MOH London lists it at $2,045. 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
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794614188
Dimensions7.59 × 7.55 × 4.41 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.59 mm7.55 mm1.54 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794614188
Side View
Table 61.0%Crown 32.5°Girdle: MediumPavilion 40.3°Culet: NoneDepth 58.4%

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: Oct 26
Current: $2,045 NZD|Low: $342 NZD|High: $2,095 NZD|Avg: $1,011 NZD|-0.9%
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
Retailer 16
October 29, 2026
Retailer 7$353 NZD
Retailer 4$394 NZD
Retailer 15$408 NZD
Retailer 3$436 NZD
Retailer 12$436 NZD
Retailer 9$759 NZD
Retailer 11$793 NZD
Retailer 13$837 NZD
Retailer 2$1,030 NZD
Retailer 5$1,140 NZD
Retailer 10$1,300 NZD
Retailer 14$1,404 NZD
Retailer 6$1,419 NZD
Retailer 16$1,500 NZD
Retailer 8$1,550 NZD
MOH London$2,045 NZD

36 data points across 16 retailers

19 retailers$353 NZD to $2,045 NZD

A
Retailer 1
-
$351 NZD
$197 USD
Price last confirmed 40 days ago
A
Retailer 2
-
$353 NZD
$198 USD
View
A
Retailer 3
-
$394 NZD
$221 USD
View
Final sale: no returns
A
Retailer 4
-
$408 NZD
$229 USD
View
A
Retailer 5
-
$426 NZD
$239 USD
View
Price last confirmed 40 days ago
A
Retailer 6
-
$436 NZD
$245 USD
View
A
Retailer 7
-
$436 NZD
$245 USD
View
B+
Retailer 8
-
$759 NZD
$426 USD
View
A
Retailer 9
-
$793 NZD
£350 GBP
View
A
Retailer 10
-
$837 NZD
$470 USD
View
B+
Retailer 11
-
$1,030 NZD
$578 USD
View
B+
Retailer 12
-
$1,140 NZD
$640 USD
View
B
Retailer 13
-
$1,300 NZD
$730 USD
View
B
Retailer 14
-
$1,388 NZD
$779 USD
View
Price last confirmed 38 days ago
B
Retailer 15
-
$1,404 NZD
$788 USD
View
B+
Retailer 16
-
$1,419 NZD
SGD 1,076 SGD
View
B+
Retailer 17
-
$1,500 NZD
$842 USD
View
B
Retailer 18
-
$1,550 NZD
$870 USD
View
Most Expensive
B
MOH London
LG794614188 · Oct 25
$2,045 NZD
£904 GBP
View
18 more retailers have this diamond
Prices start from $353 NZDSave up to $1,693 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
$353 NZD