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Radiant|Lab Grown|IGI

1.51ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG825630053

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

Certificate IGI LG825630053

Diamond specifications and retailer prices

From $358 SGD
As of November 6, 2026
Save $783 SGD (69%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,436 SGD at Reve Diamonds · As of October 25, 2026
View at Reve Diamonds

About this 1.51ct lab-grown radiant diamond

This 1.51ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG825630053 or 825630053. Listed at 12 retailers as of November 5, 2026, with a 219% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.51
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle45.6°
Pavilion angle30.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825630053
Dimensions7.45 × 6.17 × 3.70 mm
L/W Ratio1.21
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.45 mm6.17 mm1.51 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG825630053
Side View
Table 71.0%Crown 45.6°Girdle: MED-STKPavilion 30.8°Culet: NoneDepth 60.0%

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: $358 SGD|Low: $229 SGD|High: $2,192 SGD|Avg: $847 SGD|-0.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Reve Diamonds
November 6, 2026
Retailer 2$252 SGD
Retailer 1$358 SGD
Retailer 11$473 SGD
Retailer 4$487 SGD
Retailer 9$501 SGD
Retailer 12$501 SGD
Retailer 7$586 SGD
Retailer 6$692 SGD
Retailer 5$929 SGD
Retailer 3$973 SGD
Retailer 8$1,141 SGD
Retailer 10$1,316 SGD
Reve Diamonds$1,436 SGD

38 data points across 13 retailers

12 retailers$358 SGD to $1,141 SGD

A
Cheapest Retailer
-
$358 SGD
A
Retailer 2
-
$473 SGD
View
Retailer 3
-
$487 SGD
View
Price last confirmed 15 days ago
Retailer 4
-
$501 SGD
View
Price last confirmed 13 days ago
Retailer 5
-
$501 SGD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$586 SGD
View
B+
Retailer 7
-
$692 SGD
View
B+
Retailer 8
-
$929 SGD
View
Retailer 9
-
$973 SGD
View
Price last confirmed 11 days ago
B
Retailer 10
-
$1,141 SGD
View
Retailer 11
-
$1,316 SGD
View
Price last confirmed 13 days ago
Most Expensive
Reve Diamonds
9925E2399 · Oct 25
$1,436 SGD
$1,120 USD
View
Price last confirmed 12 days ago
11 more retailers have this diamond
Prices start from $358 SGDSave up to $783 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
1.51ct Radiant
$358 SGD