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Round|Lab Grown|IGI

0.81ct D SI2 Round Lab Grown Diamond

ID • D/SI2 • IGI LG488156015

Shape and cutting style on the report: Round brilliant

Certificate IGI LG488156015

Diamond specifications and retailer prices

From $322 USD
As of October 29, 2026
Save $131 USD (29%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,060 USD at MOH London · As of October 18, 2026
View at MOH London

About this 0.81ct lab-grown round diamond

This 0.81ct lab-grown round sits in the just-under-one-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG488156015 or 488156015. Listed at 4 retailers as of October 28, 2026, with a 41% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.81
Carat
D
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG488156015
Dimensions5.99 × 6.02 × 3.62 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
5.99 mm6.02 mm0.81 ctD / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG488156015
Side View
Table 59.0%Crown 34.6°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 60.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,060 USD|Low: $322 USD|High: $1,067 USD|Avg: $550 USD|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 29, 2026
Retailer 4$322 USD
Retailer 2$427 USD
Retailer 3$453 USD
Retailer 5$495 USD
MOH London$1,060 USD

16 data points across 5 retailers

4 retailers$322 USD to $453 USD

B+
Cheapest Retailer
-
$322 USD
B+
Retailer 2
-
$427 USD
€407 EUR
View
B+
Retailer 3
-
$453 USD
View
Most Expensive
B
MOH London
LG488156015 · Oct 18
$1,060 USD
£835 GBP
View
Price last confirmed 11 days ago
3 more retailers have this diamond
Prices start from $322 USDSave up to $131 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.

B+
0.81ct Round
$322 USD