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Round|Lab Grown|IGI

0.81ct D SI2 Round Lab Grown Diamond

EX • D/SI2 • IGI LG515231578

Shape and cutting style on the report: Round brilliant

Certificate IGI LG515231578

Diamond specifications and retailer prices

From $238 USD
As of October 28, 2026
Save $822 USD (78%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,060 USD at MOH London · As of October 29, 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 LG515231578 or 515231578. Listed at 10 retailers as of October 28, 2026, with prices from $238 to $1,060, a $822 spread on the same certified stone. MOH London lists it at $1,060. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG515231578
Dimensions5.86 × 5.93 × 3.74 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
5.86 mm5.93 mm0.81 ctD / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG515231578
Side View
Table 57.5%Crown 36.4°Girdle: UNDPavilion 41.2°Culet: NoneDepth 63.6%

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 28
Current: $1,060 USD|Low: $170 USD|High: $1,067 USD|Avg: $523 USD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 4$212 USD
Retailer 6$238 USD
Retailer 7$322 USD
Retailer 2$427 USD
Retailer 5$453 USD
Retailer 8$494 USD
Retailer 9$621 USD
Retailer 3$849 USD
MOH London$1,060 USD

19 data points across 9 retailers

10 retailers$238 USD to $1,060 USD

Retailer 1
-
$212 USD
Price last confirmed 7 days ago
A
Retailer 2
-
$238 USD
View
Final sale: no returns
A
Retailer 3
-
$246 USD
View
A
Retailer 4
-
$263 USD
View
B+
Retailer 5
-
$322 USD
View
B+
Retailer 6
-
$427 USD
€407 EUR
View
B+
Retailer 7
-
$453 USD
View
B
Retailer 8
-
$846 USD
View
B
Retailer 9
-
$849 USD
View
Most Expensive
B
MOH London
LG515231578 · Oct 29
$1,060 USD
£835 GBP
View
9 more retailers have this diamond
Prices start from $238 USDSave up to $822 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
0.81ct Round
$238 USD