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Radiant|Lab Grown|IGI

1.03ct D SI1 Radiant Lab Grown Diamond

EX • D/SI1 • IGI LG794641601

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

Certificate IGI LG794641601

Diamond specifications and retailer prices

From $263 NZD
As of November 6, 2026
Save $1,262 NZD (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,526 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG794641601 or 794641601. Listed at 11 retailers as of November 4, 2026, with prices from $263 to $1,526, a $1,262 spread on the same certified stone. MOH London lists it at $1,526. 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

1.03
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle23.6°
Pavilion angle36.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794641601
Dimensions7.35 × 4.87 × 3.32 mm
L/W Ratio1.51
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.35 mm4.87 mm1.03 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794641601
Side View
Table 64.0%Crown 23.6°Girdle: MED-STKPavilion 36.6°Culet: NoneDepth 68.2%

Caratlytics Score

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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: Nov 6
Current: $1,526 NZD|Low: $155 NZD|High: $1,809 NZD|Avg: $779 NZD|+2.8%
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
Retailer 15
Retailer 16
Retailer 17
November 6, 2026
Retailer 4$155 NZD
Retailer 14$263 NZD
Retailer 15$292 NZD
Retailer 13$307 NZD
Retailer 3$327 NZD
Retailer 2$388 NZD
Retailer 5$538 NZD
Retailer 10$563 NZD
Retailer 16$604 NZD
Retailer 6$759 NZD
Retailer 7$808 NZD
Retailer 11$1,052 NZD
Retailer 17$1,158 NZD
Retailer 8$1,162 NZD
Retailer 12$1,443 NZD
MOH London$1,526 NZD
Retailer 9$1,809 NZD

42 data points across 17 retailers

11 retailers$263 NZD to $1,526 NZD

A
Cheapest Retailer
-
$263 NZD
A
Retailer 2
-
$292 NZD
View
Final sale: no returns
A
Retailer 3
-
$307 NZD
View
A
Retailer 4
-
$327 NZD
View
A
Retailer 5
-
$388 NZD
View
A
Retailer 6
-
$563 NZD
View
A
Retailer 7
-
$604 NZD
View
B+
Retailer 8
-
$1,052 NZD
View
B
Retailer 9
-
$1,158 NZD
View
B
Retailer 10
-
$1,443 NZD
View
Most Expensive
B
MOH London
LG794641601 · Nov 4
$1,526 NZD
£666 GBP
View
10 more retailers have this diamond
Prices start from $263 NZDSave up to $1,262 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
$263 NZD