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 $124 USD
As of October 27, 2026
Save $1,297 USD (91%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,421 USD at MOH London · As of October 26, 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 26, 2026, with prices from $124 to $1,421, a $1,297 spread on the same certified stone. MOH London lists it at $1,421. 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
Color
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 27
Current: $1,421 USD|Low: $119 USD|High: $1,436 USD|Avg: $659 USD|+0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 25, 2026
Retailer 3$124 USD
Retailer 5$295 USD
Retailer 2$523 USD
Retailer 4$600 USD
Retailer 6$618 USD
MOH London$1,421 USD

17 data points across 6 retailers

9 retailers$124 USD to $1,421 USD

A
Cheapest Retailer
-
$124 USD
A
Retailer 2
-
$144 USD
View
A
Retailer 3
-
$295 USD
View
B+
Retailer 4
-
$523 USD
View
B
Retailer 5
-
$546 USD
View
B
Retailer 6
-
$600 USD
View
B
Retailer 7
-
$618 USD
View
B
Retailer 8
-
$1,390 USD
View
Most Expensive
B
MOH London
LG546298718 · Oct 26
$1,421 USD
£1,119 GBP
View
8 more retailers have this diamond
Prices start from $124 USDSave up to $1,297 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
0.87ct Radiant
$124 USD