Radiant|Lab Grown|IGI

0.68ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG530215191

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

Certificate IGI LG530215191

Diamond specifications and retailer prices

From $156 USD
As of October 30, 2026
Save $752 USD (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $908 USD at MOH London · As of October 26, 2026
View at MOH London

About this 0.68ct lab-grown radiant diamond

This 0.68ct lab-grown radiant sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG530215191 or 530215191. Listed at 13 retailers as of October 26, 2026, with prices from $156 to $908, a $752 spread on the same certified stone. MOH London lists it at $908. 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

0.68
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.3°
Pavilion angle30.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG530215191
Dimensions6.12 × 4.29 × 2.91 mm
L/W Ratio1.43
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
6.12 mm4.29 mm0.68 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG530215191
Side View
Table 62.5%Crown 40.3°Girdle: MED-STKPavilion 30.8°Culet: NoneDepth 67.8%

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 30
Current: $908 USD|Low: $124 USD|High: $917 USD|Avg: $380 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
October 30, 2026
Retailer 6$156 USD
Retailer 4$175 USD
Retailer 11$181 USD
Retailer 8$194 USD
Retailer 12$194 USD
Retailer 2$340 USD
Retailer 10$353 USD
Retailer 3$424 USD
Retailer 7$500 USD
Retailer 9$623 USD
Retailer 5$658 USD
MOH London$908 USD

43 data points across 12 retailers

13 retailers$156 USD to $908 USD

A
Cheapest Retailer
-
$156 USD
A
Retailer 2
-
$175 USD
View
Final sale: no returns
A
Retailer 3
-
$181 USD
View
A
Retailer 4
-
$194 USD
View
A
Retailer 5
-
$194 USD
View
A
Retailer 6
-
$340 USD
£268 GBP
View
A
Retailer 7
-
$353 USD
View
B+
Retailer 8
-
$410 USD
HK$3,200 HKD
View
B+
Retailer 9
-
$424 USD
View
B+
Retailer 10
-
$500 USD
View
B
Retailer 11
-
$623 USD
View
B
Retailer 12
-
$658 USD
View
Most Expensive
B
MOH London
LG530215191 · Oct 26
$908 USD
£715 GBP
View
12 more retailers have this diamond
Prices start from $156 USDSave up to $752 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
0.68ct Radiant
$156 USD