Radiant|Lab Grown|IGI

1.33ct G SI1 Radiant Lab Grown Diamond

GD • G/SI1 • IGI LG567369943

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

Certificate IGI LG567369943

Diamond specifications and retailer prices

From $272 USD
As of November 1, 2026
Save $670 USD (71%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $942 USD at MOH London · As of November 1, 2026
View at MOH London

About this 1.33ct lab-grown radiant diamond

This 1.33ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG567369943 or 567369943. Listed at 7 retailers as of November 1, 2026, with prices from $272 to $942, a $670 spread on the same certified stone. MOH London lists it at $942. 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

1.33
Carat
G
Color
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.4°
Pavilion angle31.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG567369943
Dimensions8.28 × 5.53 × 3.47 mm
L/W Ratio1.50
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
8.28 mm5.53 mm1.33 ctG / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG567369943
Side View
Table 60.5%Crown 32.4°Girdle: MediumPavilion 31.4°Culet: NoneDepth 62.7%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 1
Current: $942 USD|Low: $272 USD|High: $947 USD|Avg: $576 USD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 3$272 USD
Retailer 2$356 USD
Retailer 5$456 USD
Retailer 4$458 USD
Retailer 7$671 USD
Retailer 6$703 USD
Retailer 8$747 USD
MOH London$942 USD

17 data points across 8 retailers

7 retailers$272 USD to $942 USD

B+
Cheapest Retailer
-
$272 USD
B+
Retailer 2
-
$356 USD
£280 GBP
View
B+
Retailer 3
-
$456 USD
View
B+
Retailer 4
-
$458 USD
View
Retailer 5
-
$671 USD
View
Price last confirmed 74 days ago
B
Retailer 6
-
$703 USD
View
Most Expensive
B
MOH London
LG567369943 · Nov 1
$942 USD
£742 GBP
View
6 more retailers have this diamond
Prices start from $272 USDSave up to $670 USD

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.

B+
1.33ct Radiant
$272 USD