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Radiant|Lab Grown|IGI

1.51ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG783630221

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

Certificate IGI LG783630221

Diamond specifications and retailer prices

From $404 SGD
$316 USD
As of October 30, 2026
Save $1,405 SGD (78%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,837 SGD at Novita Diamonds · As of October 8, 2026
View at Novita 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG783630221 or 783630221. Listed at 21 retailers as of October 29, 2026, with a 348% 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

1.51
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42°
Pavilion angle28.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783630221
Dimensions8.43 × 5.43 × 3.59 mm
L/W Ratio1.55
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.43 mm5.43 mm1.51 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783630221
Side View
Table 63.0%Crown 42°Girdle: MED-STKPavilion 28.2°Culet: NoneDepth 66.1%

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 30
Current: $1,837 SGD|Low: $384 SGD|High: $1,846 SGD|Avg: $1,073 SGD|+1.0%
Novita Diamonds
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
October 31, 2026
Retailer 3$404 SGD
Retailer 6$424 SGD
Retailer 11$652 SGD
Retailer 4$730 SGD
Retailer 8$740 SGD
Retailer 2$792 SGD
Retailer 13$878 SGD
Retailer 5$988 SGD
Retailer 9$1,292 SGD
Retailer 7$1,379 SGD
Retailer 10$1,507 SGD
Retailer 14$1,727 SGD
Retailer 12$1,809 SGD
Novita Diamonds$1,837 SGD

41 data points across 14 retailers

21 retailers$404 SGD to $1,809 SGD

Retailer 1
-
$337 SGD
$264 USD
Price last confirmed 23 days ago
Retailer 2
-
$337 SGD
$264 USD
View
Price last confirmed 32 days ago
Retailer 3
-
$391 SGD
$306 USD
View
Price last confirmed 34 days ago
A
Retailer 4
-
$404 SGD
$316 USD
View
Final sale: no returns
Retailer 5
-
$413 SGD
$323 USD
View
Price last confirmed 33 days ago
Retailer 6
-
$418 SGD
$327 USD
View
Price last confirmed 24 days ago
Retailer 7
-
$418 SGD
$327 USD
View
Price last confirmed 28 days ago
A
Retailer 8
-
$424 SGD
$332 USD
View
A
Retailer 9
-
$652 SGD
$510 USD
View
A
Retailer 10
-
$730 SGD
ZAR 9,226 ZAR
View
A
Retailer 11
-
$740 SGD
$579 USD
View
A
Retailer 12
-
$792 SGD
£488 GBP
View
A
Retailer 13
-
$878 SGD
$687 USD
View
A
Retailer 14
-
$988 SGD
A$1,189 AUD
View
A
Retailer 15
-
$1,292 SGD
$1,011 USD
View
Retailer 16
-
$1,342 SGD
$1,050 USD
View
Price last confirmed 31 days ago
B+
Retailer 17
-
$1,379 SGD
$1,079 USD
View
B+
Retailer 18
-
$1,507 SGD
$1,179 USD
View
B+
Retailer 19
-
$1,727 SGD
$1,351 USD
View
B+
Retailer 20
-
$1,809 SGD
£1,114 GBP
View
Most Expensive
Novita Diamonds
cert_783630221 · Oct 8
$1,837 SGD
A$2,211 AUD
View
Price last confirmed 23 days ago
20 more retailers have this diamond
Prices start from $404 SGDSave up to $1,405 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
$404 SGD