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Radiant|Lab Grown|IGI

1.00ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG632434291

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

Certificate IGI LG632434291

Diamond specifications and retailer prices

From $205 SGD
As of November 6, 2026
Save $1,160 SGD (85%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,365 SGD at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 1ct lab-grown radiant diamond

This 1ct 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 LG632434291 or 632434291. Listed at 20 retailers as of November 6, 2026, with prices from $205 to $1,365, a $1,160 spread on the same certified stone. Reve Diamonds lists it at $1,365. 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

1.00
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.3°
Pavilion angle33.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG632434291
Dimensions7.09 × 5.03 × 3.29 mm
L/W Ratio1.41
Culet sizePointed
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
7.09 mm5.03 mm1.00 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG632434291
Side View
Table 62.0%Crown 38.3°Girdle: MediumPavilion 33.5°Culet: NoneDepth 65.4%

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: Nov 6
Current: $491 SGD|Low: $195 SGD|High: $1,365 SGD|Avg: $599 SGD|+9.7%
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
Reve Diamonds
November 6, 2026
Retailer 13$205 SGD
Retailer 4$228 SGD
Retailer 12$237 SGD
Retailer 2$254 SGD
Retailer 3$254 SGD
Retailer 7$410 SGD
Retailer 8$441 SGD
Retailer 15$460 SGD
Retailer 1$491 SGD
Retailer 6$493 SGD
Retailer 14$564 SGD
Retailer 9$859 SGD
Retailer 11$863 SGD
Retailer 5$886 SGD
Retailer 10$1,183 SGD
Reve Diamonds$1,365 SGD

42 data points across 16 retailers

20 retailers$205 SGD to $1,365 SGD

A
Cheapest Retailer
-
$205 SGD
A
Retailer 2
-
$228 SGD
View
Final sale: no returns
A
Retailer 3
-
$237 SGD
View
Retailer 4
-
$254 SGD
View
Price last confirmed 13 days ago
A
Retailer 5
-
$254 SGD
View
A
Retailer 6
-
$410 SGD
View
A
Retailer 7
-
$441 SGD
View
A
Retailer 8
-
$460 SGD
View
B+
Retailer 9
-
$491 SGD
View
Retailer 10
-
$493 SGD
View
Price last confirmed 29 days ago
B+
Retailer 11
-
$564 SGD
View
B+
Retailer 12
-
$601 SGD
View
Retailer 13
-
$701 SGD
View
Price last confirmed 68 days ago
B+
Retailer 14
-
$705 SGD
View
B
Retailer 15
-
$846 SGD
View
B
Retailer 16
-
$859 SGD
View
B
Retailer 17
-
$863 SGD
View
B
Retailer 18
-
$886 SGD
View
B
Retailer 19
-
$1,183 SGD
View
Most Expensive
B
Reve Diamonds
A5C211770 · Nov 6
$1,365 SGD
$1,065 USD
View
19 more retailers have this diamond
Prices start from $205 SGDSave up to $1,160 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
1.00ct Radiant
$205 SGD