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Radiant|Lab Grown|IGI

0.85ct E SI1 Radiant Lab Grown Diamond

VG • E/SI1 • IGI LG653437892

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

Certificate IGI LG653437892

Diamond specifications and retailer prices

From $246 SGD
HK$1,500 HKD
As of October 29, 2026
Save $602 SGD (71%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $848 SGD at Diamond Quarter · As of October 29, 2026
View at Diamond Quarter

About this 0.85ct lab-grown radiant diamond

This 0.85ct lab-grown radiant sits in the just-under-one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG653437892 or 653437892. Listed at 6 retailers as of October 29, 2026, with prices from $246 to $848, a $602 spread on the same certified stone. Diamond Quarter lists it at $848. 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

0.85
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle48.6°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG653437892
Dimensions6.64 × 4.68 × 3.20 mm
L/W Ratio1.42
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.64 mm4.68 mm0.85 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG653437892
Side View
Table 65.0%Crown 48.6°Girdle: ThinPavilion 36.5°Culet: NoneDepth 68.4%

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 29
Current: $345 SGD|Low: $246 SGD|High: $819 SGD|Avg: $424 SGD|+0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 7$246 SGD
Retailer 4$295 SGD
Retailer 3$300 SGD
Retailer 1$345 SGD
Retailer 5$392 SGD
Retailer 6$424 SGD
Retailer 8$437 SGD
Retailer 10$478 SGD
Retailer 2$502 SGD
Retailer 9$819 SGD

2 data points across 10 retailers

6 retailers$246 SGD to $848 SGD

A
Cheapest Retailer
-
$246 SGD
HK$1,500 HKD
A
Retailer 2
-
$300 SGD
£184 GBP
View
A
Retailer 3
-
$345 SGD
£212 GBP
View
B+
Retailer 4
-
$392 SGD
$306 USD
View
B+
Retailer 5
-
$424 SGD
£261 GBP
View
Most Expensive
B
Diamond Quarter
0.85SI1ELG92CE90N · Oct 29
$848 SGD
£521 GBP
View
5 more retailers have this diamond
Prices start from $246 SGDSave up to $602 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.

A
0.85ct Radiant
$246 SGD