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Radiant|Lab Grown|IGI

1.29ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG840630413

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

Certificate IGI LG840630413

Diamond specifications and retailer prices

From $347 SGD
$271 USD
As of November 2, 2026
Save $2,794 SGD (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,210 SGD at Rare Carat · As of October 18, 2026
View at Rare Carat

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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840630413 or 840630413. Listed at 22 retailers as of November 2, 2026, with a 806% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle48.5°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840630413
Dimensions7.36 × 5.37 × 3.68 mm
L/W Ratio1.37
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.36 mm5.37 mm1.29 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840630413
Side View
Table 64.0%Crown 48.5°Girdle: MediumPavilion 37.6°Culet: NoneDepth 68.5%

Caratlytics Score

How it works →
A+
Exceptional
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $3,210 SGD|Low: $347 SGD|High: $4,272 SGD|Avg: $1,329 SGD|-0.4%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 2, 2026
Retailer 13$347 SGD
Retailer 3$412 SGD
Retailer 11$421 SGD
Retailer 10$441 SGD
Retailer 22$441 SGD
Retailer 2$454 SGD
Retailer 21$646 SGD
Retailer 5$726 SGD
Retailer 17$760 SGD
Retailer 4$764 SGD
Retailer 16$777 SGD
Retailer 19$823 SGD
Retailer 7$1,113 SGD
Retailer 6$1,354 SGD
Retailer 9$1,417 SGD
Retailer 8$1,482 SGD
Retailer 15$1,629 SGD
Retailer 18$1,767 SGD
Retailer 12$1,826 SGD
Retailer 20$2,801 SGD
Retailer 14$3,141 SGD
Rare Carat$3,210 SGD

20 data points across 22 retailers

22 retailers$347 SGD to $3,141 SGD

A+
Cheapest Retailer
-
$347 SGD
$271 USD
A
Retailer 2
-
$412 SGD
$322 USD
View
A
Retailer 3
-
$421 SGD
$329 USD
View
Final sale: no returns
A
Retailer 4
-
$441 SGD
$345 USD
View
Retailer 5
-
$441 SGD
$345 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$454 SGD
£279 GBP
View
A
Retailer 7
-
$646 SGD
$505 USD
View
A
Retailer 8
-
$726 SGD
$568 USD
View
A
Retailer 9
-
$760 SGD
ZAR 9,600 ZAR
View
A
Retailer 10
-
$764 SGD
$597 USD
View
A
Retailer 11
-
$777 SGD
£478 GBP
View
A
Retailer 12
-
$823 SGD
€613 EUR
View
B+
Retailer 13
-
$1,113 SGD
$870 USD
View
B+
Retailer 14
-
$1,354 SGD
$1,059 USD
View
B+
Retailer 15
-
$1,417 SGD
$1,108 USD
View
B+
Retailer 16
-
$1,482 SGD
$1,159 USD
View
B+
Retailer 17
-
$1,629 SGD
View
B+
Retailer 18
-
$1,767 SGD
£1,088 GBP
View
B
Retailer 19
-
$1,826 SGD
$1,428 USD
View
B
Retailer 20
-
$2,801 SGD
$2,190 USD
View
B
Retailer 21
-
$3,141 SGD
$2,456 USD
View
Most Expensive
Rare Carat
JH-252758 · Oct 18
$3,210 SGD
$2,510 USD
View
Price last confirmed 14 days ago
21 more retailers have this diamond
Prices start from $347 SGDSave up to $2,794 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.

A+
1.29ct Radiant
$347 SGD