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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 $339 AUD
$238 USD
As of October 30, 2026
Save $1,171 AUD (78%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,510 AUD 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 29, 2026, with prices from $339 to $1,510, a $1,171 spread on the same certified stone. MOH London lists it at $1,510. 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
Colour
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 30
Current: $1,510 AUD|Low: $242 AUD|High: $1,519 AUD|Avg: $745 AUD|+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$302 AUD
Retailer 6$339 AUD
Retailer 7$458 AUD
Retailer 2$608 AUD
Retailer 5$645 AUD
Retailer 8$703 AUD
Retailer 9$884 AUD
Retailer 3$1,209 AUD
MOH London$1,510 AUD

19 data points across 9 retailers

10 retailers$339 AUD to $1,510 AUD

Retailer 1
-
$302 AUD
$212 USD
Price last confirmed 8 days ago
A
Retailer 2
-
$339 AUD
$238 USD
View
Final sale: no returns
Retailer 3
-
$350 AUD
$246 USD
View
Price last confirmed 7 days ago
Retailer 4
-
$374 AUD
$263 USD
View
Price last confirmed 7 days ago
B+
Retailer 5
-
$458 AUD
$322 USD
View
B+
Retailer 6
-
$608 AUD
€407 EUR
View
B+
Retailer 7
-
$645 AUD
$453 USD
View
B
Retailer 8
-
$1,204 AUD
$846 USD
View
B
Retailer 9
-
$1,209 AUD
$849 USD
View
Most Expensive
B
MOH London
LG515231578 · Oct 29
$1,510 AUD
£835 GBP
View
9 more retailers have this diamond
Prices start from $339 AUDSave up to $1,171 AUD

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
$339 AUD