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Radiant|Lab Grown|IGI

0.87ct G SI1 Radiant Lab Grown Diamond

ID • G/SI1 • IGI LG546298718

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG546298718

Diamond specifications and retailer prices

From $177 AUD
$124 USD
As of October 30, 2026
Save $1,843 AUD (91%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $2,020 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 0.87ct lab-grown radiant diamond

This 0.87ct lab-grown radiant sits in the just-under-one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG546298718 or 546298718. Listed at 9 retailers as of October 30, 2026, with prices from $177 to $2,020, a $1,843 spread on the same certified stone. MOH London lists it at $2,020. 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

0.87
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.4°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG546298718
Dimensions6.84 × 4.63 × 3.18 mm
L/W Ratio1.48
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.84 mm4.63 mm0.87 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG546298718
Side View
Table 62.5%Crown 41.4°Girdle: MediumPavilion 35°Culet: NoneDepth 68.7%

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: Oct 30
Current: $2,020 AUD|Low: $169 AUD|High: $2,045 AUD|Avg: $926 AUD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 4$177 AUD
Retailer 5$420 AUD
Retailer 2$655 AUD
Retailer 3$745 AUD
Retailer 6$880 AUD
MOH London$2,020 AUD

18 data points across 6 retailers

9 retailers$177 AUD to $2,020 AUD

A
Cheapest Retailer
-
$177 AUD
$124 USD
A
Retailer 2
-
$205 AUD
$144 USD
View
A
Retailer 3
-
$420 AUD
$295 USD
View
B+
Retailer 4
-
$655 AUD
$460 USD
View
B+
Retailer 5
-
$745 AUD
$523 USD
View
B
Retailer 6
-
$777 AUD
$546 USD
View
B
Retailer 7
-
$880 AUD
$618 USD
View
B
Retailer 8
-
$1,979 AUD
$1,390 USD
View
Most Expensive
B
MOH London
LG546298718 · Nov 1
$2,020 AUD
£1,117 GBP
View
8 more retailers have this diamond
Prices start from $177 AUDSave up to $1,843 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
0.87ct Radiant
$177 AUD