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Round|Lab Grown|IGI

1.53ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG825670246

Shape and cutting style on the report: Round brilliant

Certificate IGI LG825670246

Diamond specifications and retailer prices

From $330 NZD
As of November 1, 2026
Save $1,081 NZD (77%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,915 NZD at MOH London · As of October 26, 2026
View at MOH London

About this 1.53ct lab-grown round diamond

This 1.53ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG825670246 or 825670246. Listed at 11 retailers as of October 31, 2026, with a 327% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.53
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825670246
Dimensions7.39 × 7.35 × 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
7.39 mm7.35 mm1.53 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825670246
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.7%

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 1
Current: $1,915 NZD|Low: $330 NZD|High: $2,131 NZD|Avg: $1,053 NZD|-10.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 6$330 NZD
Retailer 5$505 NZD
Retailer 4$691 NZD
Retailer 8$729 NZD
Retailer 7$750 NZD
Retailer 10$776 NZD
Retailer 9$878 NZD
Retailer 2$1,266 NZD
Retailer 3$1,398 NZD
Retailer 11$1,411 NZD
MOH London$1,915 NZD

37 data points across 11 retailers

11 retailers$330 NZD to $1,411 NZD

A
Cheapest Retailer
-
$330 NZD
B+
Retailer 2
-
$505 NZD
View
A
Retailer 3
-
$691 NZD
View
A
Retailer 4
-
$729 NZD
View
A
Retailer 5
-
$750 NZD
View
A
Retailer 6
-
$776 NZD
View
A
Retailer 7
-
$878 NZD
View
B+
Retailer 8
-
$1,266 NZD
View
Retailer 9
-
$1,398 NZD
View
Price last confirmed 17 days ago
B+
Retailer 10
-
$1,411 NZD
View
Most Expensive
MOH London
LG825670246 · Oct 26
$1,915 NZD
£836 GBP
View
Price last confirmed 11 days ago
10 more retailers have this diamond
Prices start from $330 NZDSave up to $1,081 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
1.53ct Round
$330 NZD