Radiant|Lab Grown|IGI

0.80ct I SI1 Radiant Lab Grown Diamond

VG • I/SI1 • IGI LG389919523

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

Certificate IGI LG389919523

Diamond specifications and retailer prices

From $480 USD
As of November 2, 2026
Save $2,167 USD (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,647 USD at MOH London · As of November 3, 2026
View at MOH London

About this 0.8ct lab-grown radiant diamond

This 0.8ct lab-grown radiant sits in the just-under-one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG389919523 or 389919523. Listed at 11 retailers as of November 2, 2026, with prices from $480 to $2,647, a $2,167 spread on the same certified stone. MOH London lists it at $2,647. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.80
Carat
I
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryGood
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG389919523
Dimensions5.79 × 4.59 × 3.21 mm
L/W Ratio1.26
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) and is type IIa
Top View
5.79 mm4.59 mm0.80 ctI / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryGood
FluorescenceNone
CertificateIGI LG389919523
Side View
Table 65.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 69.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $2,647 USD|Low: $480 USD|High: $2,678 USD|Avg: $1,174 USD
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
November 1, 2026
Retailer 2$480 USD
Retailer 8$511 USD
Retailer 13$571 USD
Retailer 12$573 USD
Retailer 9$634 USD
Retailer 3$770 USD
Retailer 11$984 USD
Retailer 4$1,029 USD
Retailer 6$1,058 USD
Retailer 7$1,636 USD
Retailer 10$1,667 USD
Retailer 5$2,546 USD
MOH London$2,647 USD

24 data points across 13 retailers

11 retailers$480 USD to $2,647 USD

B+
Cheapest Retailer
-
$480 USD
B+
Retailer 2
-
$511 USD
View
B
Retailer 3
-
$571 USD
View
Final sale: no returns
B
Retailer 4
-
$573 USD
View
B
Retailer 5
-
$634 USD
View
Retailer 6
-
$634 USD
View
Price last confirmed 17 days ago
B
Retailer 7
-
$984 USD
View
B
Retailer 8
-
$1,058 USD
€1,008 EUR
View
C
Retailer 9
-
$1,636 USD
View
C
Retailer 10
-
$1,667 USD
View
Most Expensive
C
MOH London
LG389919523 · Nov 3
$2,647 USD
£2,084 GBP
View
10 more retailers have this diamond
Prices start from $480 USDSave up to $2,167 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.

B+
0.80ct Radiant
$480 USD