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Radiant|Lab Grown|IGI

1.30ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG648436048

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

Certificate IGI LG648436048

Diamond specifications and retailer prices

From $197 SGD
$154 USD
As of October 30, 2026
Save $1,140 SGD (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,337 SGD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.3ct lab-grown radiant diamond

This 1.3ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG648436048 or 648436048. Listed at 16 retailers as of October 30, 2026, with prices from $197 to $1,337, a $1,140 spread on the same certified stone. Reve Diamonds lists it at $1,337. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.30
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.6°
Pavilion angle30°
OriginLab Grown
Grading LabIGI
CertificateIGI LG648436048
Dimensions7.39 × 5.34 × 3.60 mm
L/W Ratio1.38
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.39 mm5.34 mm1.30 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG648436048
Side View
Table 60.0%Crown 40.6°Girdle: MED-STKPavilion 30°Culet: NoneDepth 67.4%

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: Oct 30
Current: $422 SGD|Low: $197 SGD|High: $1,337 SGD|Avg: $619 SGD|+3.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Reve Diamonds
October 31, 2026
Retailer 5$197 SGD
Retailer 3$219 SGD
Retailer 11$244 SGD
Retailer 16$244 SGD
Retailer 4$293 SGD
Retailer 10$330 SGD
Retailer 1$422 SGD
Retailer 9$475 SGD
Retailer 2$569 SGD
Retailer 15$626 SGD
Retailer 8$695 SGD
Retailer 6$782 SGD
Retailer 13$827 SGD
Retailer 7$854 SGD
Retailer 14$1,061 SGD
Retailer 12$1,145 SGD
Reve Diamonds$1,337 SGD

16 data points across 17 retailers

16 retailers$197 SGD to $1,337 SGD

A
Cheapest Retailer
-
$197 SGD
$154 USD
A
Retailer 2
-
$219 SGD
$171 USD
View
Final sale: no returns
A
Retailer 3
-
$244 SGD
$191 USD
View
A
Retailer 4
-
$244 SGD
$191 USD
View
Retailer 5
-
$293 SGD
£180 GBP
View
Price last confirmed 14 days ago
B+
Retailer 6
-
$330 SGD
$258 USD
View
A
Retailer 7
-
$422 SGD
£260 GBP
View
A
Retailer 8
-
$475 SGD
£292 GBP
View
B+
Retailer 9
-
$569 SGD
$445 USD
View
B+
Retailer 10
-
$626 SGD
$490 USD
View
B+
Retailer 11
-
$782 SGD
$612 USD
View
B+
Retailer 12
-
$827 SGD
$647 USD
View
B
Retailer 13
-
$854 SGD
$668 USD
View
Retailer 14
-
$1,061 SGD
$830 USD
View
Price last confirmed 9 days ago
B
Retailer 15
-
$1,145 SGD
£705 GBP
View
Most Expensive
B
Reve Diamonds
F3D683A23 · Oct 30
$1,337 SGD
$1,046 USD
View
15 more retailers have this diamond
Prices start from $197 SGDSave up to $1,140 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
1.30ct Radiant
$197 SGD