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Radiant|Lab Grown|IGI

1.01ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG591396148

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

Certificate IGI LG591396148

Diamond specifications and retailer prices

From $179 SGD
$140 USD
As of October 27, 2026
Save $1,106 SGD (86%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,285 SGD at Reve Diamonds · As of October 28, 2026
View at Reve Diamonds

About this 1.01ct lab-grown radiant diamond

This 1.01ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG591396148 or 591396148. Listed at 19 retailers as of October 27, 2026, with prices from $179 to $1,285, a $1,106 spread on the same certified stone. Reve Diamonds lists it at $1,285. 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

1.01
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG591396148
Dimensions7.19 × 4.89 × 3.21 mm
L/W Ratio1.47
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
7.19 mm4.89 mm1.01 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG591396148
Side View
Table 65.0%Crown 40.3°Girdle: Slightly ThickPavilionCulet: NoneDepth 65.6%

Caratlytics Score

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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 27
Current: $1,047 SGD|Low: $173 SGD|High: $1,053 SGD|Avg: $507 SGD|+0.3%
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
October 29, 2026
Retailer 11$179 SGD
Retailer 4$201 SGD
Retailer 13$223 SGD
Retailer 5$305 SGD
Retailer 7$379 SGD
Retailer 9$412 SGD
Retailer 6$423 SGD
Retailer 3$537 SGD
Retailer 10$568 SGD
Retailer 2$717 SGD
Retailer 8$724 SGD
Retailer 12$821 SGD
Retailer 1$1,047 SGD

43 data points across 13 retailers

19 retailers$179 SGD to $1,285 SGD

A
Cheapest Retailer
-
$179 SGD
$140 USD
A
Retailer 2
-
$201 SGD
$157 USD
View
Final sale: no returns
A
Retailer 3
-
$209 SGD
$163 USD
View
A
Retailer 4
-
$223 SGD
$174 USD
View
A
Retailer 5
-
$223 SGD
$174 USD
View
B+
Retailer 6
-
$305 SGD
$238 USD
View
A
Retailer 7
-
$379 SGD
£233 GBP
View
A
Retailer 8
-
$408 SGD
$318 USD
View
A
Retailer 9
-
$412 SGD
€306 EUR
View
A
Retailer 10
-
$423 SGD
£260 GBP
View
B+
Retailer 11
-
$537 SGD
$419 USD
View
B+
Retailer 12
-
$568 SGD
$443 USD
View
B+
Retailer 13
-
$618 SGD
£380 GBP
View
B+
Retailer 14
-
$717 SGD
$559 USD
View
B+
Retailer 15
-
$724 SGD
$565 USD
View
Price last confirmed 8 days ago
B
Retailer 16
-
$788 SGD
$614 USD
View
B
Retailer 17
-
$821 SGD
$640 USD
View
B
Retailer 18
-
$1,047 SGD
£643 GBP
View
Most Expensive
B
Reve Diamonds
86AE2B38E · Oct 28
$1,285 SGD
$1,003 USD
View
18 more retailers have this diamond
Prices start from $179 SGDSave up to $1,106 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
1.01ct Radiant
$179 SGD