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Radiant|Lab Grown|IGI

1.03ct G SI1 Radiant Lab Grown Diamond

VG • G/SI1 • IGI LG803628046

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

Certificate IGI LG803628046

Diamond specifications and retailer prices

From $262 NZD
As of November 6, 2026
Save $1,248 NZD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,510 NZD at MOH London · As of November 4, 2026
View at MOH London

About this 1.03ct lab-grown radiant diamond

This 1.03ct lab-grown radiant sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG803628046 or 803628046. Listed at 16 retailers as of November 4, 2026, with prices from $262 to $1,510, a $1,248 spread on the same certified stone. MOH London lists it at $1,510. 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

1.03
Carat
G
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.3°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803628046
Dimensions7.06 × 5.08 × 3.49 mm
L/W Ratio1.39
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.06 mm5.08 mm1.03 ctG / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG803628046
Side View
Table 69.0%Crown 40.3°Girdle: Slightly ThickPavilion 38.5°Culet: NoneDepth 68.7%

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: Nov 6
Current: $1,510 NZD|Low: $251 NZD|High: $1,530 NZD|Avg: $689 NZD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 11$262 NZD
Retailer 7$290 NZD
Retailer 3$323 NZD
Retailer 12$323 NZD
Retailer 5$552 NZD
Retailer 2$610 NZD
Retailer 8$613 NZD
Retailer 6$722 NZD
Retailer 4$902 NZD
Retailer 10$1,041 NZD
Retailer 9$1,099 NZD
MOH London$1,510 NZD

45 data points across 12 retailers

16 retailers$262 NZD to $1,510 NZD

A
Cheapest Retailer
-
$262 NZD
A
Retailer 2
-
$290 NZD
View
Final sale: no returns
A
Retailer 3
-
$303 NZD
View
Retailer 4
-
$319 NZD
View
Price last confirmed 43 days ago
Retailer 5
-
$323 NZD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$323 NZD
View
B+
Retailer 7
-
$534 NZD
View
A
Retailer 8
-
$552 NZD
View
B+
Retailer 9
-
$610 NZD
View
B+
Retailer 10
-
$613 NZD
View
B+
Retailer 11
-
$722 NZD
View
B
Retailer 12
-
$902 NZD
View
B
Retailer 13
-
$1,041 NZD
View
B
Retailer 14
-
$1,099 NZD
View
B
Retailer 15
-
$1,140 NZD
View
Most Expensive
B
MOH London
LG803628046 · Nov 4
$1,510 NZD
£659 GBP
View
15 more retailers have this diamond
Prices start from $262 NZDSave up to $1,248 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
1.03ct Radiant
$262 NZD