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0.53ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG681525642

Shape and cutting style on the report: Round brilliant

Certificate IGI LG681525642

Diamond specifications and retailer prices

From $95 USD
As of October 29, 2026
Save $772 USD (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $867 USD at MOH London · As of October 25, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG681525642 or 681525642. Listed at 16 retailers as of October 25, 2026, with prices from $95 to $867, a $772 spread on the same certified stone. MOH London lists it at $867. 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
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG681525642
Dimensions5.20 × 5.25 × 3.14 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 mm5.25 mm0.53 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG681525642
Side View
Table 61.0%Crown 34.1°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.1%

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: Oct 29
Current: $867 USD|Low: $74 USD|High: $871 USD|Avg: $305 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
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 31, 2026
Retailer 7$95 USD
Retailer 11$99 USD
Retailer 15$104 USD
Retailer 10$118 USD
Retailer 5$126 USD
Retailer 3$165 USD
Retailer 12$205 USD
Retailer 14$235 USD
Retailer 2$245 USD
Retailer 16$260 USD
Retailer 6$277 USD
Retailer 8$350 USD
Retailer 13$357 USD
Retailer 9$416 USD
Retailer 4$859 USD
MOH London$867 USD

42 data points across 16 retailers

16 retailers$95 USD to $867 USD

A
Cheapest Retailer
-
$95 USD
A
Retailer 2
-
$99 USD
View
Final sale: no returns
A
Retailer 3
-
$104 USD
View
A
Retailer 4
-
$118 USD
View
A
Retailer 5
-
$126 USD
View
Retailer 6
-
$165 USD
View
Price last confirmed 9 days ago
A
Retailer 7
-
$205 USD
£162 GBP
View
A
Retailer 8
-
$235 USD
View
B+
Retailer 9
-
$245 USD
€233 EUR
View
B+
Retailer 10
-
$260 USD
View
B+
Retailer 11
-
$277 USD
View
B+
Retailer 12
-
$350 USD
View
B+
Retailer 13
-
$357 USD
View
B+
Retailer 14
-
$416 USD
View
B
Retailer 15
-
$859 USD
View
Most Expensive
B
MOH London
LG681525642 · Oct 25
$867 USD
£683 GBP
View
15 more retailers have this diamond
Prices start from $95 USDSave up to $772 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
$95 USD