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Radiant|Lab Grown|IGI

1.51ct D VS1 Radiant Lab Grown Diamond

EX • D/VS1 • IGI LG647447909

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

Certificate IGI LG647447909

Diamond specifications and retailer prices

From $304 SGD
$238 USD
As of October 30, 2026
Save $2,304 SGD (88%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,608 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 D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG647447909 or 647447909. Listed at 23 retailers as of October 30, 2026, with prices from $304 to $2,608, a $2,304 spread on the same certified stone. Brilliant Earth lists it at $2,608. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.6°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG647447909
Dimensions8.24 × 5.62 × 3.80 mm
L/W Ratio1.47
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.24 mm5.62 mm1.51 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG647447909
Side View
Table 66.0%Crown 43.6°Girdle: MediumPavilion 35.1°Culet: NoneDepth 67.6%

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 30
Current: $2,608 SGD|Low: $304 SGD|High: $2,749 SGD|Avg: $941 SGD|-5.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 15
Retailer 16
Retailer 17
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Retailer 19
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Retailer 21
Retailer 22
November 1, 2026
Retailer 3$304 SGD
Retailer 11$340 SGD
Retailer 19$353 SGD
Retailer 5$377 SGD
Retailer 6$377 SGD
Retailer 22$422 SGD
Retailer 17$577 SGD
Retailer 12$635 SGD
Retailer 2$651 SGD
Retailer 9$671 SGD
Retailer 16$707 SGD
Retailer 7$794 SGD
Retailer 18$878 SGD
Retailer 4$1,212 SGD
Retailer 20$1,216 SGD
Retailer 10$1,278 SGD
Retailer 21$1,374 SGD
Retailer 15$1,488 SGD
Retailer 13$1,510 SGD
Retailer 8$1,533 SGD
Retailer 14$1,680 SGD
Brilliant Earth$2,608 SGD

33 data points across 22 retailers

23 retailers$304 SGD to $2,608 SGD

A
Cheapest Retailer
-
$304 SGD
$238 USD
A
Retailer 2
-
$340 SGD
$266 USD
View
Final sale: no returns
A
Retailer 3
-
$353 SGD
$276 USD
View
Retailer 4
-
$377 SGD
$295 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$377 SGD
$295 USD
View
Retailer 6
-
$422 SGD
£260 GBP
View
Price last confirmed 16 days ago
A
Retailer 7
-
$577 SGD
€430 EUR
View
A
Retailer 8
-
$635 SGD
$497 USD
View
A
Retailer 9
-
$651 SGD
ZAR 8,223 ZAR
View
A
Retailer 10
-
$671 SGD
$525 USD
View
A
Retailer 11
-
$707 SGD
£435 GBP
View
B+
Retailer 12
-
$794 SGD
$621 USD
View
B+
Retailer 13
-
$878 SGD
A$1,057 AUD
View
B
Retailer 14
-
$1,212 SGD
$948 USD
View
B
Retailer 15
-
$1,216 SGD
$951 USD
View
B
Retailer 16
-
$1,240 SGD
£764 GBP
View
B+
Retailer 17
-
$1,278 SGD
$1,000 USD
View
Retailer 18
-
$1,374 SGD
$1,075 USD
View
Price last confirmed 14 days ago
B
Retailer 19
-
$1,488 SGD
$1,164 USD
View
B
Retailer 20
-
$1,510 SGD
£930 GBP
View
B
Retailer 21
-
$1,533 SGD
$1,199 USD
View
B
Retailer 22
-
$1,680 SGD
$1,314 USD
View
Most Expensive
B
Brilliant Earth
11455390A · Oct 31
$2,608 SGD
$2,040 USD
View
22 more retailers have this diamond
Prices start from $304 SGDSave up to $2,304 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
$304 SGD