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Radiant|Lab Grown|IGI

3.91ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1

Diamond specifications and retailer prices

From $914 SGD
$715 USD
As of October 30, 2026
Save $4,244 SGD (82%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $5,158 SGD at The Diamond Guys · As of October 30, 2026
View at The Diamond Guys

About this 3.91ct lab-grown radiant diamond

This 3.91ct 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. Listed at 8 retailers as of October 30, 2026, with prices from $914 to $5,158, a $4,244 spread on the same certified stone. The Diamond Guys lists it at $5,158. 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

3.91
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions11.00 × 7.89 × 5.26 mm
L/W Ratio1.39
Top View
11.00 mm7.89 mm3.91 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 68.0%CrownGirdle: MediumPavilionCulet: NoneDepth 66.7%

Caratlytics Score

How it works →
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: $1,572 SGD|Low: $914 SGD|High: $5,598 SGD|Avg: $2,429 SGD|-6.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
The Diamond Guys
October 30, 2026
Retailer 6$914 SGD
Retailer 5$995 SGD
Retailer 3$1,271 SGD
Retailer 1$1,572 SGD
Retailer 7$1,999 SGD
Retailer 2$2,925 SGD
Retailer 4$3,291 SGD
The Diamond Guys$5,158 SGD

32 data points across 8 retailers

8 retailers$914 SGD to $5,158 SGD

A
Cheapest Retailer
-
$914 SGD
$715 USD
A
Retailer 2
-
$995 SGD
$778 USD
View
A
Retailer 3
-
$1,271 SGD
$994 USD
View
A
Retailer 4
-
$1,572 SGD
£968 GBP
View
Retailer 5
-
$1,999 SGD
$1,564 USD
View
Price last confirmed 16 days ago
B+
Retailer 6
-
$2,925 SGD
CA$3,178 CAD
View
B+
Retailer 7
-
$3,291 SGD
$2,574 USD
View
Most Expensive
B
The Diamond Guys
1920168594 · Oct 30
$5,158 SGD
$4,035 USD
View
7 more retailers have this diamond
Prices start from $914 SGDSave up to $4,244 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
3.91ct Radiant
$914 SGD