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Radiant|Lab Grown|IGI

1.13ct D SI1 Radiant Lab Grown Diamond

VG • D/SI1 • IGI LG840636156

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

Certificate IGI LG840636156

Diamond specifications and retailer prices

From $251 NZD
$141 USD
As of November 2, 2026
Save $1,205 NZD (83%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,456 NZD at MOH London · As of October 29, 2026
View at MOH London

About this 1.13ct lab-grown radiant diamond

This 1.13ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG840636156 or 840636156. Listed at 9 retailers as of October 29, 2026, with prices from $251 to $1,456, a $1,205 spread on the same certified stone. MOH London lists it at $1,456. 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

1.13
Carat
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.2°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840636156
Dimensions7.43 × 5.13 × 3.45 mm
L/W Ratio1.45
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.43 mm5.13 mm1.13 ctD / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840636156
Side View
Table 65.0%Crown 45.2°Girdle: MediumPavilion 35.4°Culet: NoneDepth 67.3%

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: Nov 2
Current: $1,456 NZD|Low: $243 NZD|High: $1,487 NZD|Avg: $812 NZD|-2.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 6$251 NZD
Retailer 4$290 NZD
Retailer 2$371 NZD
Retailer 3$551 NZD
Retailer 8$887 NZD
Retailer 7$997 NZD
Retailer 5$1,052 NZD
Retailer 9$1,270 NZD
MOH London$1,456 NZD

29 data points across 9 retailers

9 retailers$251 NZD to $1,456 NZD

A
Cheapest Retailer
-
$251 NZD
$141 USD
A
Retailer 2
-
$290 NZD
$163 USD
View
A
Retailer 3
-
$371 NZD
£164 GBP
View
A
Retailer 4
-
$551 NZD
€295 EUR
View
B+
Retailer 5
-
$887 NZD
$499 USD
View
B
Retailer 6
-
$997 NZD
$561 USD
View
B
Retailer 7
-
$1,052 NZD
$592 USD
View
Retailer 8
-
$1,270 NZD
SGD 966 SGD
View
Price last confirmed 21 days ago
Most Expensive
B
MOH London
LG840636156 · Oct 29
$1,456 NZD
£645 GBP
View
8 more retailers have this diamond
Prices start from $251 NZDSave up to $1,205 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
1.13ct Radiant
$251 NZD