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Round|Lab Grown|IGI

1.53ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG773627333

Shape and cutting style on the report: Round brilliant

Certificate IGI LG773627333

Diamond specifications and retailer prices

From $345 USD
As of November 6, 2026
Save $849 USD (71%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,194 USD at MOH London · As of November 2, 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 LG773627333 or 773627333. Listed at 9 retailers as of November 2, 2026, with prices from $345 to $1,194, a $849 spread on the same certified stone. MOH London lists it at $1,194. 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 angle34.3°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG773627333
Dimensions7.40 × 7.44 × 4.55 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.40 mm7.44 mm1.53 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG773627333
Side View
Table 58.0%Crown 34.3°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.3%

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 6
Current: $1,194 USD|Low: $345 USD|High: $1,208 USD|Avg: $629 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 8$345 USD
Retailer 2$422 USD
Retailer 7$438 USD
Retailer 3$461 USD
Retailer 5$512 USD
Retailer 4$720 USD
Retailer 6$873 USD
MOH London$1,194 USD

43 data points across 8 retailers

9 retailers$345 USD to $1,194 USD

B+
Cheapest Retailer
-
$345 USD
A
Retailer 2
-
$422 USD
View
A
Retailer 3
-
$438 USD
View
A
Retailer 4
-
$461 USD
View
A
Retailer 5
-
$512 USD
View
B+
Retailer 6
-
$720 USD
View
Retailer 7
-
$758 USD
View
Price last confirmed 117 days ago
B
Retailer 8
-
$873 USD
View
Most Expensive
B
MOH London
LG773627333 · Nov 2
$1,194 USD
£940 GBP
View
8 more retailers have this diamond
Prices start from $345 USDSave up to $849 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
$345 USD