Round|Lab Grown|IGI

1.53ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG818686765

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818686765

Diamond specifications and retailer prices

From $204 USD
As of October 29, 2026
Save $982 USD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,186 USD at MOH London · As of October 29, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG818686765 or 818686765. Listed at 14 retailers as of October 29, 2026, with prices from $204 to $1,186, a $982 spread on the same certified stone. MOH London lists it at $1,186. 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
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818686765
Dimensions7.40 × 7.34 × 4.57 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
7.40 mm7.34 mm1.53 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818686765
Side View
Table 59.0%Crown 34.2°Girdle: MediumPavilion 41.5°Culet: NoneDepth 61.9%

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: Oct 29
Current: $1,186 USD|Low: $204 USD|High: $1,194 USD|Avg: $606 USD|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 7$204 USD
Retailer 9$252 USD
Retailer 2$420 USD
Retailer 10$437 USD
Retailer 4$463 USD
Retailer 3$467 USD
Retailer 6$652 USD
Retailer 5$715 USD
Retailer 11$865 USD
Retailer 8$870 USD
MOH London$1,186 USD

43 data points across 11 retailers

14 retailers$204 USD to $1,186 USD

A
Cheapest Retailer
-
$204 USD
A
Retailer 2
-
$236 USD
View
A
Retailer 3
-
$252 USD
View
A
Retailer 4
-
$252 USD
View
A
Retailer 5
-
$420 USD
€400 EUR
View
B+
Retailer 6
-
$437 USD
View
A
Retailer 7
-
$463 USD
£364 GBP
View
A
Retailer 8
-
$467 USD
View
B+
Retailer 9
-
$652 USD
View
B+
Retailer 10
-
$715 USD
View
B+
Retailer 11
-
$811 USD
View
B
Retailer 12
-
$865 USD
View
B
Retailer 13
-
$870 USD
View
Most Expensive
B
MOH London
LG818686765 · Oct 29
$1,186 USD
£934 GBP
View
13 more retailers have this diamond
Prices start from $204 USDSave up to $982 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
$204 USD