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Radiant|Lab Grown|IGI

1.29ct G VS1 Radiant Lab Grown Diamond

GD • G/VS1 • IGI LG683590368

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

Certificate IGI LG683590368

Diamond specifications and retailer prices

From $394 SGD
As of November 4, 2026
Save $997 SGD (72%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,391 SGD at MOH London · As of November 2, 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 standard cut grade and certified by IGI LG683590368 or 683590368. Listed at 13 retailers as of November 2, 2026, with prices from $394 to $1,391, a $997 spread on the same certified stone. MOH London lists it at $1,391. 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
Colour
VS1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.6°
Pavilion angle37°
OriginLab Grown
Grading LabIGI
CertificateIGI LG683590368
Dimensions7.84 × 5.36 × 3.59 mm
L/W Ratio1.46
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.84 mm5.36 mm1.29 ctG / VS1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG683590368
Side View
Table 68.0%Crown 38.6°Girdle: Slightly ThickPavilion 37°Culet: NoneDepth 67.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $1,391 SGD|Low: $289 SGD|High: $1,399 SGD|Avg: $704 SGD|+3.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 3$289 SGD
Retailer 9$394 SGD
Retailer 5$512 SGD
Retailer 2$534 SGD
Retailer 7$616 SGD
Retailer 8$622 SGD
Retailer 4$725 SGD
Retailer 11$805 SGD
Retailer 6$960 SGD
Retailer 10$1,025 SGD
MOH London$1,391 SGD

41 data points across 11 retailers

13 retailers$394 SGD to $1,391 SGD

Retailer 1
-
$233 SGD
Price last confirmed 36 days ago
Retailer 2
-
$270 SGD
View
Price last confirmed 39 days ago
Retailer 3
-
$285 SGD
View
Price last confirmed 37 days ago
B+
Retailer 4
-
$394 SGD
View
B+
Retailer 5
-
$512 SGD
View
B+
Retailer 6
-
$534 SGD
View
B+
Retailer 7
-
$616 SGD
View
B+
Retailer 8
-
$622 SGD
View
B+
Retailer 9
-
$725 SGD
View
Retailer 10
-
$805 SGD
View
Price last confirmed 15 days ago
B
Retailer 11
-
$960 SGD
View
B
Retailer 12
-
$1,025 SGD
View
Most Expensive
B
MOH London
LG683590368 · Nov 2
$1,391 SGD
£857 GBP
View
12 more retailers have this diamond
Prices start from $394 SGDSave up to $997 SGD

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+
1.29ct Radiant
$394 SGD