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Radiant|Lab Grown|IGI

0.51ct D VS1 Radiant Lab Grown Diamond

EX • D/VS1 • IGI LG819640701

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

Certificate IGI LG819640701

Diamond specifications and retailer prices

From $139 SGD
$109 USD
As of October 30, 2026
Save $1,016 SGD (88%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,451 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 0.51ct lab-grown radiant diamond

This 0.51ct lab-grown radiant sits in the half to three-quarter carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG819640701 or 819640701. Listed at 18 retailers as of October 30, 2026, with a 729% 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

0.51
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle19.9°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG819640701
Dimensions6.09 × 3.90 × 2.57 mm
L/W Ratio1.56
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.09 mm3.90 mm0.51 ctD / VS1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG819640701
Side View
Table 64.0%Crown 19.9°Girdle: Slightly ThickPavilion 36.7°Culet: NoneDepth 65.9%

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: $1,451 SGD|Low: $134 SGD|High: $1,461 SGD|Avg: $422 SGD|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 9$139 SGD
Retailer 3$156 SGD
Retailer 11$162 SGD
Retailer 10$184 SGD
Retailer 7$275 SGD
Retailer 5$314 SGD
Retailer 4$317 SGD
Retailer 2$343 SGD
Retailer 8$405 SGD
Retailer 6$418 SGD
Retailer 12$916 SGD
MOH London$1,451 SGD

45 data points across 12 retailers

18 retailers$139 SGD to $1,155 SGD

A
Cheapest Retailer
-
$139 SGD
$109 USD
A
Retailer 2
-
$156 SGD
$122 USD
View
Final sale: no returns
A
Retailer 3
-
$162 SGD
$127 USD
View
A
Retailer 4
-
$184 SGD
$144 USD
View
A
Retailer 5
-
$196 SGD
HK$1,200 HKD
View
A
Retailer 6
-
$243 SGD
$190 USD
View
Retailer 7
-
$275 SGD
$215 USD
View
Price last confirmed 10 days ago
A
Retailer 8
-
$314 SGD
€234 EUR
View
A
Retailer 9
-
$317 SGD
$248 USD
View
B+
Retailer 10
-
$343 SGD
£211 GBP
View
B+
Retailer 11
-
$405 SGD
$317 USD
View
B+
Retailer 12
-
$418 SGD
£257 GBP
View
B+
Retailer 13
-
$489 SGD
View
B
Retailer 14
-
$532 SGD
$416 USD
View
B
Retailer 15
-
$630 SGD
$493 USD
View
B
Retailer 16
-
$916 SGD
£564 GBP
View
B
Retailer 17
-
$1,155 SGD
$904 USD
View
Most Expensive
MOH London
LG819640701 · Oct 29
$1,451 SGD
£894 GBP
View
Price under review
17 more retailers have this diamond
Prices start from $139 SGDSave up to $1,016 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
0.51ct Radiant
$139 SGD