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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 $278 NZD
$156 USD
As of October 30, 2026
Save $1,339 NZD (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,617 NZD 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 $278 to $1,617, a $1,339 spread on the same certified stone. MOH London lists it at $1,617. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,617 NZD|Low: $221 NZD|High: $1,633 NZD|Avg: $677 NZD
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$278 NZD
Retailer 4$312 NZD
Retailer 11$322 NZD
Retailer 8$345 NZD
Retailer 12$345 NZD
Retailer 2$605 NZD
Retailer 10$629 NZD
Retailer 3$755 NZD
Retailer 7$890 NZD
Retailer 9$1,109 NZD
Retailer 5$1,172 NZD
MOH London$1,617 NZD

43 data points across 12 retailers

13 retailers$278 NZD to $1,617 NZD

A
Cheapest Retailer
-
$278 NZD
$156 USD
A
Retailer 2
-
$312 NZD
$175 USD
View
Final sale: no returns
A
Retailer 3
-
$322 NZD
$181 USD
View
A
Retailer 4
-
$345 NZD
$194 USD
View
A
Retailer 5
-
$345 NZD
$194 USD
View
A
Retailer 6
-
$605 NZD
£268 GBP
View
A
Retailer 7
-
$629 NZD
$353 USD
View
B+
Retailer 8
-
$729 NZD
HK$3,200 HKD
View
B+
Retailer 9
-
$755 NZD
$424 USD
View
B+
Retailer 10
-
$890 NZD
$500 USD
View
B
Retailer 11
-
$1,109 NZD
$623 USD
View
B
Retailer 12
-
$1,172 NZD
$658 USD
View
Most Expensive
B
MOH London
LG530215191 · Oct 26
$1,617 NZD
£715 GBP
View
12 more retailers have this diamond
Prices start from $278 NZDSave up to $1,339 NZD

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
$278 NZD