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 $183 USD
As of November 1, 2026
Save $599 USD (77%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,062 USD 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $1,062 USD|Low: $183 USD|High: $1,181 USD|Avg: $584 USD|-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$183 USD
Retailer 5$280 USD
Retailer 4$383 USD
Retailer 8$404 USD
Retailer 7$416 USD
Retailer 10$430 USD
Retailer 9$487 USD
Retailer 2$702 USD
Retailer 3$775 USD
Retailer 11$782 USD
MOH London$1,062 USD

37 data points across 11 retailers

11 retailers$183 USD to $782 USD

A
Cheapest Retailer
-
$183 USD
B+
Retailer 2
-
$280 USD
View
A
Retailer 3
-
$383 USD
View
A
Retailer 4
-
$404 USD
View
A
Retailer 5
-
$416 USD
View
A
Retailer 6
-
$430 USD
View
A
Retailer 7
-
$487 USD
View
B+
Retailer 8
-
$702 USD
View
Retailer 9
-
$775 USD
View
Price last confirmed 16 days ago
B+
Retailer 10
-
$782 USD
View
Most Expensive
MOH London
LG825670246 · Oct 26
$1,062 USD
£836 GBP
View
Price last confirmed 10 days ago
10 more retailers have this diamond
Prices start from $183 USDSave up to $599 USD

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
$183 USD