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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 $121 USD
As of October 27, 2026
Save $1,261 USD (91%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,382 USD at MOH London · As of October 26, 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 26, 2026, with prices from $121 to $1,382, a $1,261 spread on the same certified stone. MOH London lists it at $1,382. 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
Color
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 27
Current: $1,382 USD|Low: $116 USD|High: $1,394 USD|Avg: $542 USD|+0.1%
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
October 29, 2026
Retailer 9$121 USD
Retailer 13$140 USD
Retailer 15$227 USD
Retailer 2$236 USD
Retailer 4$263 USD
Retailer 11$291 USD
Retailer 14$433 USD
Retailer 6$437 USD
Retailer 7$488 USD
Retailer 10$531 USD
Retailer 8$537 USD
Retailer 5$590 USD
Retailer 12$860 USD
Retailer 3$1,350 USD
MOH London$1,382 USD

20 data points across 15 retailers

12 retailers$121 USD to $1,382 USD

A
Cheapest Retailer
-
$121 USD
A
Retailer 2
-
$140 USD
View
A
Retailer 3
-
$236 USD
£186 GBP
View
A
Retailer 4
-
$291 USD
View
B+
Retailer 5
-
$433 USD
View
B+
Retailer 6
-
$488 USD
£384 GBP
View
B
Retailer 7
-
$531 USD
View
B
Retailer 8
-
$537 USD
View
B
Retailer 9
-
$590 USD
View
B
Retailer 10
-
$860 USD
View
B
Retailer 11
-
$1,350 USD
View
Most Expensive
B
MOH London
LG550231591 · Oct 26
$1,382 USD
£1,088 GBP
View
11 more retailers have this diamond
Prices start from $121 USDSave up to $1,261 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
0.84ct Radiant
$121 USD