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 $192 USD
HK$1,500 HKD
As of October 29, 2026
Save $469 USD (71%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $661 USD 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 $192 to $661, a $469 spread on the same certified stone. Diamond Quarter lists it at $661. 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
Color
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

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: $269 USD|Low: $192 USD|High: $639 USD|Avg: $331 USD|+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$192 USD
Retailer 4$230 USD
Retailer 3$234 USD
Retailer 1$269 USD
Retailer 5$306 USD
Retailer 6$331 USD
Retailer 8$341 USD
Retailer 10$373 USD
Retailer 2$392 USD
Retailer 9$639 USD

2 data points across 10 retailers

6 retailers$192 USD to $661 USD

A
Cheapest Retailer
-
$192 USD
HK$1,500 HKD
A
Retailer 2
-
$234 USD
£184 GBP
View
A
Retailer 3
-
$269 USD
£212 GBP
View
B+
Retailer 4
-
$306 USD
View
B+
Retailer 5
-
$331 USD
£261 GBP
View
Most Expensive
B
Diamond Quarter
0.85SI1ELG92CE90N · Oct 29
$661 USD
£521 GBP
View
5 more retailers have this diamond
Prices start from $192 USDSave up to $469 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
0.85ct Radiant
$192 USD