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Radiant|Lab Grown|IGI

3.31ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG689541049

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

Certificate IGI LG689541049

Diamond specifications and retailer prices

From $1,221 SGD
$955 USD
As of October 26, 2026
Save $1,515 SGD (55%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,736 SGD at Brilliance · As of October 26, 2026
View at Brilliance

About this 3.31ct lab-grown radiant diamond

This 3.31ct lab-grown radiant sits in the three to five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG689541049 or 689541049. Listed at 10 retailers as of October 26, 2026, with prices from $1,221 to $2,736, a $1,515 spread on the same certified stone. Brilliance lists it at $2,736. 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

3.31
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.7°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689541049
Dimensions10.61 × 7.25 × 4.97 mm
L/W Ratio1.46
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.61 mm7.25 mm3.31 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689541049
Side View
Table 62.0%Crown 41.7°Girdle: Slightly ThickPavilion 34.3°Culet: NoneDepth 68.6%

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 26
Current: $2,736 SGD|Low: $914 SGD|High: $5,190 SGD|Avg: $2,183 SGD|-13.8%
Brilliance
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 26, 2026
Retailer 8$914 SGD
Retailer 6$1,144 SGD
Retailer 7$1,193 SGD
Retailer 10$1,221 SGD
Retailer 13$1,224 SGD
Retailer 11$1,780 SGD
Retailer 5$1,870 SGD
Retailer 2$1,965 SGD
Retailer 12$2,390 SGD
Retailer 9$2,689 SGD
Brilliance$2,736 SGD
Retailer 4$3,859 SGD
Retailer 3$5,190 SGD

10 data points across 13 retailers

10 retailers$1,221 SGD to $2,736 SGD

Retailer 1
-
$589 SGD
$461 USD
Price last confirmed 9 days ago
Retailer 2
-
$914 SGD
$715 USD
View
Price last confirmed 6 days ago
Retailer 3
-
$1,144 SGD
$895 USD
View
Price last confirmed 7 days ago
Retailer 4
-
$1,193 SGD
£735 GBP
View
Price last confirmed 7 days ago
A
Retailer 5
-
$1,221 SGD
$955 USD
View
Retailer 6
-
$1,780 SGD
$1,392 USD
View
Price last confirmed 7 days ago
Retailer 7
-
$1,965 SGD
$1,537 USD
View
Price last confirmed 7 days ago
Retailer 8
-
$2,390 SGD
$1,869 USD
View
Price last confirmed 7 days ago
B+
Retailer 9
-
$2,689 SGD
£1,656 GBP
View
Most Expensive
B+
Brilliance
D32237642 · Oct 26
$2,736 SGD
$2,140 USD
View
9 more retailers have this diamond
Prices start from $1,221 SGDSave up to $1,515 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
3.31ct Radiant
$1,221 SGD