Radiant|Lab Grown|IGI

0.78ct H SI2 Radiant Lab Grown Diamond

ID • H/SI2 • IGI LG530227337

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

Certificate IGI LG530227337

Diamond specifications and retailer prices

From $249 NZD
$140 USD
As of October 30, 2026
Save $1,343 NZD (84%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,592 NZD at MOH London · As of October 26, 2026
View at MOH London

About this 0.78ct lab-grown radiant diamond

This 0.78ct lab-grown radiant sits in the just-under-one-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG530227337 or 530227337. Listed at 11 retailers as of October 26, 2026, with prices from $249 to $1,592, a $1,343 spread on the same certified stone. MOH London lists it at $1,592. 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

0.78
Carat
H
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG530227337
Dimensions6.64 × 4.54 × 3.04 mm
L/W Ratio1.46
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
6.64 mm4.54 mm0.78 ctH / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG530227337
Side View
Table 66.0%Crown 44.6°Girdle: Slightly ThickPavilionCulet: NoneDepth 67.0%

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: $1,592 NZD|Low: $249 NZD|High: $1,610 NZD|Avg: $759 NZD|-0.8%
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
Retailer 14
October 26, 2026
Retailer 13$249 NZD
Retailer 8$288 NZD
Retailer 9$308 NZD
Retailer 12$308 NZD
Retailer 11$577 NZD
Retailer 6$583 NZD
Retailer 5$617 NZD
Retailer 3$695 NZD
Retailer 10$862 NZD
Retailer 2$944 NZD
Retailer 7$1,047 NZD
Retailer 14$1,093 NZD
Retailer 4$1,179 NZD
MOH London$1,592 NZD

11 data points across 14 retailers

11 retailers$249 NZD to $1,592 NZD

A
Cheapest Retailer
-
$249 NZD
$140 USD
A
Retailer 2
-
$288 NZD
$162 USD
View
A
Retailer 3
-
$308 NZD
$173 USD
View
A
Retailer 4
-
$308 NZD
$173 USD
View
A
Retailer 5
-
$577 NZD
$324 USD
View
Retailer 6
-
$695 NZD
£307 GBP
View
Price last confirmed 23 days ago
B+
Retailer 7
-
$862 NZD
$484 USD
View
B+
Retailer 8
-
$944 NZD
$530 USD
View
B
Retailer 9
-
$1,047 NZD
$588 USD
View
B
Retailer 10
-
$1,093 NZD
$614 USD
View
Most Expensive
B
MOH London
LG530227337 · Oct 26
$1,592 NZD
£704 GBP
View
10 more retailers have this diamond
Prices start from $249 NZDSave up to $1,343 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
0.78ct Radiant
$249 NZD