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0.53ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG778633478

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778633478

Diamond specifications and retailer prices

From $210 USD
As of November 1, 2026
Save $961 USD (82%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,171 USD at MOH London · As of November 1, 2026
View at MOH London

About this 0.53ct lab-grown round diamond

This 0.53ct lab-grown round sits in the half to three-quarter carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG778633478 or 778633478. Listed at 7 retailers as of November 1, 2026, with prices from $210 to $1,171, a $961 spread on the same certified stone. MOH London lists it at $1,171. 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

0.53
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778633478
Dimensions5.20 × 5.17 × 3.22 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
5.20 mm5.17 mm0.53 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778633478
Side View
Table 57.0%Crown 34.9°Girdle: MediumPavilion 41°Culet: NoneDepth 62.0%

Caratlytics Score

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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: $1,171 USD|Low: $210 USD|High: $1,177 USD|Avg: $418 USD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 4$210 USD
Retailer 8$244 USD
Retailer 3$264 USD
Retailer 7$275 USD
Retailer 2$283 USD
Retailer 5$370 USD
Retailer 6$508 USD
MOH London$1,171 USD

40 data points across 8 retailers

7 retailers$210 USD to $1,171 USD

A
Cheapest Retailer
-
$210 USD
A
Retailer 2
-
$264 USD
€251 EUR
View
A
Retailer 3
-
$275 USD
View
A
Retailer 4
-
$283 USD
£223 GBP
View
B+
Retailer 5
-
$370 USD
View
B+
Retailer 6
-
$508 USD
View
Most Expensive
B
MOH London
LG778633478 · Nov 1
$1,171 USD
£922 GBP
View
6 more retailers have this diamond
Prices start from $210 USDSave up to $961 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
0.53ct Round
$210 USD