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Radiant|Lab Grown|IGI

0.84ct G SI1 Radiant Lab Grown Diamond

ID • G/SI1 • IGI LG550231591

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

Certificate IGI LG550231591

Diamond specifications and retailer prices

From $172 AUD
$121 USD
As of October 30, 2026
Save $1,793 AUD (91%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,965 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 0.84ct lab-grown radiant diamond

This 0.84ct 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 LG550231591 or 550231591. Listed at 12 retailers as of October 30, 2026, with prices from $172 to $1,965, a $1,793 spread on the same certified stone. MOH London lists it at $1,965. 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

0.84
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.2°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG550231591
Dimensions6.78 × 4.64 × 3.08 mm
L/W Ratio1.46
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
6.78 mm4.64 mm0.84 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG550231591
Side View
Table 64.0%Crown 41.2°Girdle: Slightly ThickPavilion 35.8°Culet: NoneDepth 66.4%

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: $1,965 AUD|Low: $165 AUD|High: $1,985 AUD|Avg: $769 AUD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 1, 2026
Retailer 9$172 AUD
Retailer 13$199 AUD
Retailer 15$323 AUD
Retailer 2$334 AUD
Retailer 4$375 AUD
Retailer 11$414 AUD
Retailer 14$616 AUD
Retailer 6$622 AUD
Retailer 7$694 AUD
Retailer 10$756 AUD
Retailer 8$764 AUD
Retailer 5$840 AUD
Retailer 12$1,224 AUD
Retailer 3$1,922 AUD
MOH London$1,965 AUD

22 data points across 15 retailers

12 retailers$172 AUD to $1,965 AUD

A
Cheapest Retailer
-
$172 AUD
$121 USD
A
Retailer 2
-
$199 AUD
$140 USD
View
A
Retailer 3
-
$334 AUD
£185 GBP
View
A
Retailer 4
-
$414 AUD
$291 USD
View
B+
Retailer 5
-
$616 AUD
$433 USD
View
B+
Retailer 6
-
$694 AUD
£384 GBP
View
B
Retailer 7
-
$756 AUD
$531 USD
View
B
Retailer 8
-
$764 AUD
$537 USD
View
B
Retailer 9
-
$840 AUD
$590 USD
View
B
Retailer 10
-
$1,224 AUD
$860 USD
View
B
Retailer 11
-
$1,922 AUD
$1,350 USD
View
Most Expensive
B
MOH London
LG550231591 · Nov 1
$1,965 AUD
£1,087 GBP
View
11 more retailers have this diamond
Prices start from $172 AUDSave up to $1,793 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
0.84ct Radiant
$172 AUD