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0.52ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG685523399

Shape and cutting style on the report: Round brilliant

Certificate IGI LG685523399

Diamond specifications and retailer prices

From $88 USD
As of November 5, 2026
Save $750 USD (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $838 USD at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 0.52ct lab-grown round diamond

This 0.52ct 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 LG685523399 or 685523399. Listed at 16 retailers as of November 4, 2026, with prices from $88 to $838, a $750 spread on the same certified stone. Reve Diamonds lists it at $838. 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

0.52
Carat
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG685523399
Dimensions5.21 × 5.25 × 3.11 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
5.21 mm5.25 mm0.52 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG685523399
Side View
Table 61.0%Crown 33.5°Girdle: MediumPavilion 40.7°Culet: NoneDepth 59.4%

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 5
Current: $199 USD|Low: $88 USD|High: $859 USD|Avg: $289 USD|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Reve Diamonds
November 6, 2026
Retailer 8$88 USD
Retailer 12$98 USD
Retailer 3$103 USD
Retailer 11$117 USD
Retailer 5$124 USD
Retailer 1$199 USD
Retailer 2$233 USD
Retailer 4$242 USD
Retailer 9$343 USD
Retailer 13$352 USD
Retailer 6$393 USD
Retailer 10$411 USD
Retailer 7$805 USD
Reve Diamonds$838 USD

44 data points across 14 retailers

16 retailers$88 USD to $838 USD

A
Cheapest Retailer
-
$88 USD
A
Retailer 2
-
$98 USD
View
Final sale: no returns
A
Retailer 3
-
$103 USD
View
A
Retailer 4
-
$117 USD
View
Retailer 5
-
$124 USD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$199 USD
View
Retailer 7
-
$226 USD
View
Price last confirmed 89 days ago
A
Retailer 8
-
$233 USD
View
B+
Retailer 9
-
$242 USD
View
B+
Retailer 10
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$251 USD
View
B+
Retailer 11
-
$343 USD
View
B+
Retailer 12
-
$352 USD
View
B+
Retailer 13
-
$393 USD
View
B
Retailer 14
-
$411 USD
View
B
Retailer 15
-
$805 USD
View
Most Expensive
B
Reve Diamonds
C5A5CF61B · Nov 4
$838 USD
View
15 more retailers have this diamond
Prices start from $88 USDSave up to $750 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
0.52ct Round
$88 USD