Radiant|Lab Grown|IGI

1.29ct G VS1 Radiant Lab Grown Diamond

VG • G/VS1 • IGI LG607379950

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

Certificate IGI LG607379950

Diamond specifications and retailer prices

From $366 USD
£288 GBP
As of November 2, 2026
Save $598 USD (62%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $964 USD at MOH London · As of November 1, 2026
View at MOH London

About this 1.29ct lab-grown radiant diamond

This 1.29ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG607379950 or 607379950. Listed at 7 retailers as of November 1, 2026, with prices from $366 to $964, a $598 spread on the same certified stone. MOH London lists it at $964. 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

1.29
Carat
G
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.2°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG607379950
Dimensions7.37 × 5.23 × 4.11 mm
L/W Ratio1.41
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
7.37 mm5.23 mm1.29 ctG / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG607379950
Side View
Table 61.0%Crown 42.2°Girdle: MediumPavilion 38.8°Culet: NoneDepth 78.6%

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: $964 USD|Low: $350 USD|High: $975 USD|Avg: $552 USD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 2$366 USD
Retailer 4$371 USD
Retailer 5$459 USD
Retailer 3$479 USD
Retailer 6$718 USD
MOH London$964 USD

29 data points across 6 retailers

7 retailers$366 USD to $964 USD

A
Cheapest Retailer
-
$366 USD
£288 GBP
B+
Retailer 2
-
$371 USD
View
B+
Retailer 3
-
$459 USD
View
B+
Retailer 4
-
$479 USD
View
Retailer 5
-
$620 USD
View
Price last confirmed 12 days ago
B
Retailer 6
-
$718 USD
View
Most Expensive
B
MOH London
LG607379950 · Nov 1
$964 USD
£759 GBP
View
6 more retailers have this diamond
Prices start from $366 USDSave up to $598 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.

A
1.29ct Radiant
$366 USD