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 $615 SGD
As of November 6, 2026
Save $2,767 SGD (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,382 SGD at MOH London · As of November 5, 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 5, 2026, with prices from $615 to $3,382, a $2,767 spread on the same certified stone. MOH London lists it at $3,382. 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
Colour
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 6
Current: $3,382 SGD|Low: $615 SGD|High: $3,433 SGD|Avg: $1,500 SGD|-0.3%
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 5, 2026
Retailer 2$615 SGD
Retailer 8$655 SGD
Retailer 13$732 SGD
Retailer 12$734 SGD
Retailer 9$813 SGD
Retailer 3$987 SGD
Retailer 11$1,261 SGD
Retailer 4$1,319 SGD
Retailer 6$1,356 SGD
Retailer 7$2,097 SGD
Retailer 10$2,136 SGD
Retailer 5$3,263 SGD
MOH London$3,382 SGD

23 data points across 13 retailers

11 retailers$615 SGD to $3,382 SGD

B+
Cheapest Retailer
-
$615 SGD
B+
Retailer 2
-
$655 SGD
View
B
Retailer 3
-
$732 SGD
View
Final sale: no returns
B
Retailer 4
-
$734 SGD
View
B
Retailer 5
-
$813 SGD
View
Retailer 6
-
$813 SGD
View
Price last confirmed 22 days ago
B
Retailer 7
-
$1,261 SGD
View
B
Retailer 8
-
$1,356 SGD
View
C
Retailer 9
-
$2,097 SGD
View
C
Retailer 10
-
$2,136 SGD
View
Most Expensive
C
MOH London
LG389919523 · Nov 5
$3,382 SGD
£2,078 GBP
View
10 more retailers have this diamond
Prices start from $615 SGDSave up to $2,767 SGD

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
$615 SGD