CaratHunter
Plans
Radiant|Lab Grown|IGI

4.51ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG839647920

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

Certificate IGI LG839647920

Diamond specifications and retailer prices

From $1,342 SGD
HK$8,200 HKD
As of October 30, 2026
Save $5,101 SGD (79%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $6,443 SGD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 4.51ct lab-grown radiant diamond

This 4.51ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG839647920 or 839647920. Listed at 17 retailers as of October 28, 2026, with prices from $1,342 to $6,443, a $5,101 spread on the same certified stone. Rare Carat lists it at $6,443. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.51
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.2°
Pavilion angle32.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839647920
Dimensions12.11 × 8.00 × 5.28 mm
L/W Ratio1.51
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.11 mm8.00 mm4.51 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839647920
Side View
Table 61.0%Crown 44.2°Girdle: MediumPavilion 32.4°Culet: NoneDepth 66.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $6,443 SGD|Low: $1,111 SGD|High: $6,513 SGD|Avg: $2,949 SGD|-1.1%
Rare Carat
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 31, 2026
Retailer 8$1,111 SGD
Retailer 5$1,111 SGD
Retailer 14$1,342 SGD
Retailer 6$1,374 SGD
Retailer 16$1,742 SGD
Retailer 11$1,755 SGD
Retailer 17$1,860 SGD
Retailer 13$2,429 SGD
Retailer 15$2,466 SGD
Retailer 2$2,498 SGD
Retailer 7$3,142 SGD
Retailer 18$3,699 SGD
Retailer 9$3,874 SGD
Retailer 3$3,894 SGD
Retailer 4$3,980 SGD
Retailer 12$4,324 SGD
Retailer 10$5,495 SGD
Rare Carat$6,443 SGD

21 data points across 18 retailers

17 retailers$1,342 SGD to $6,443 SGD

Retailer 1
-
$1,111 SGD
£684 GBP
Price last confirmed 22 days ago
A
Retailer 2
-
$1,342 SGD
HK$8,200 HKD
View
A
Retailer 3
-
$1,374 SGD
$1,075 USD
View
Retailer 4
-
$1,742 SGD
€1,298 EUR
View
Price last confirmed 7 days ago
A
Retailer 5
-
$1,755 SGD
£1,081 GBP
View
A
Retailer 6
-
$1,860 SGD
$1,455 USD
View
A
Retailer 7
-
$2,429 SGD
ZAR 30,695 ZAR
View
Retailer 8
-
$2,466 SGD
A$2,968 AUD
View
Price last confirmed 9 days ago
B+
Retailer 9
-
$2,498 SGD
$1,954 USD
View
B+
Retailer 10
-
$3,142 SGD
$2,458 USD
View
B+
Retailer 11
-
$3,699 SGD
$2,893 USD
View
B+
Retailer 12
-
$3,874 SGD
View
B+
Retailer 13
-
$3,894 SGD
$3,046 USD
View
B+
Retailer 14
-
$3,980 SGD
$3,113 USD
View
B+
Retailer 15
-
$4,324 SGD
£2,663 GBP
View
B
Retailer 16
-
$5,495 SGD
$4,298 USD
View
Most Expensive
B
Rare Carat
172691-BB · Oct 28
$6,443 SGD
$5,040 USD
View
16 more retailers have this diamond
Prices start from $1,342 SGDSave up to $5,101 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
4.51ct Radiant
$1,342 SGD