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Radiant|Lab Grown|IGI

1.51ct E FL Radiant Lab Grown Diamond

EX • E/FL • IGI LG768630808

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

Certificate IGI LG768630808

Diamond specifications and retailer prices

From $835 SGD
HK$5,100 HKD
As of November 1, 2026
Save $3,384 SGD (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,219 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG768630808 or 768630808. Listed at 14 retailers as of October 31, 2026, with prices from $835 to $4,219, a $3,384 spread on the same certified stone. Brilliant Earth lists it at $4,219. 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
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.1°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768630808
Dimensions8.44 × 5.78 × 3.73 mm
L/W Ratio1.46
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
8.44 mm5.78 mm1.51 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768630808
Side View
Table 62.0%Crown 40.1°Girdle: Slightly ThickPavilion 34.1°Culet: NoneDepth 64.5%

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 1
Current: $4,219 SGD|Low: $835 SGD|High: $5,050 SGD|Avg: $2,118 SGD|-16.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 9$835 SGD
Retailer 4$1,029 SGD
Retailer 11$1,030 SGD
Retailer 7$1,119 SGD
Retailer 2$1,206 SGD
Retailer 8$1,251 SGD
Retailer 3$1,370 SGD
Retailer 13$1,699 SGD
Retailer 12$2,380 SGD
Retailer 5$2,509 SGD
Retailer 6$2,674 SGD
Retailer 10$2,724 SGD
Brilliant Earth$4,219 SGD

43 data points across 13 retailers

14 retailers$835 SGD to $4,219 SGD

A
Cheapest Retailer
-
$835 SGD
HK$5,100 HKD
A
Retailer 2
-
$1,029 SGD
$805 USD
View
A
Retailer 3
-
$1,030 SGD
$806 USD
View
A
Retailer 4
-
$1,119 SGD
€834 EUR
View
A
Retailer 5
-
$1,206 SGD
£743 GBP
View
A
Retailer 6
-
$1,251 SGD
ZAR 15,810 ZAR
View
B+
Retailer 7
-
$1,370 SGD
$1,072 USD
View
B+
Retailer 8
-
$1,699 SGD
$1,329 USD
View
B
Retailer 9
-
$2,380 SGD
$1,862 USD
View
B
Retailer 10
-
$2,509 SGD
$1,963 USD
View
B
Retailer 11
-
$2,674 SGD
£1,647 GBP
View
B+
Retailer 12
-
$2,724 SGD
$2,131 USD
View
Retailer 13
-
$4,180 SGD
$3,269 USD
View
Price last confirmed 73 days ago
Most Expensive
B
Brilliant Earth
18919100A · Oct 31
$4,219 SGD
$3,300 USD
View
13 more retailers have this diamond
Prices start from $835 SGDSave up to $3,384 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
$835 SGD