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Radiant|Lab Grown|IGI

3.10ct E VS1 Radiant Lab Grown Diamond

ID • E/VS1 • IGI LG840655647

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

Certificate IGI LG840655647

Diamond specifications and retailer prices

From $611 SGD
$477 USD
As of October 23, 2026
Save $2,226 SGD (78%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $5,031 SGD at Helzberg Diamonds · As of October 7, 2026
View at Helzberg Diamonds

About this 3.1ct lab-grown radiant diamond

This 3.1ct lab-grown radiant sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG840655647 or 840655647. Listed at 23 retailers as of October 23, 2026, with a 364% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.10
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle50.8°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840655647
Dimensions7.23 × 9.99 × 4.89 mm
L/W Ratio1.38
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.23 mm9.99 mm3.10 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840655647
Side View
Table 65.0%Crown 50.8°Girdle: MED-STKPavilion 34.7°Culet: NoneDepth 67.6%

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 23
Current: $5,031 SGD|Low: $611 SGD|High: $639,345 SGD|Avg: $63,470 SGD
Helzberg Diamonds
Retailer 2
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Retailer 24
October 27, 2026
Retailer 5$611 SGD
Retailer 7$683 SGD
Retailer 23$684 SGD
Retailer 18$759 SGD
Retailer 8$837 SGD
Retailer 2$868 SGD
Retailer 19$936 SGD
Retailer 9$1,028 SGD
Retailer 6$1,114 SGD
Retailer 17$1,221 SGD
Retailer 13$1,251 SGD
Retailer 22$1,368 SGD
Retailer 3$1,632 SGD
Retailer 12$2,039 SGD
Retailer 14$2,430 SGD
Retailer 20$2,438 SGD
Retailer 24$2,475 SGD
Retailer 4$2,504 SGD
Retailer 11$2,664 SGD
Retailer 21$2,790 SGD
Retailer 10$2,838 SGD
Helzberg Diamonds$5,031 SGD
Retailer 16$250,121 SGD
Retailer 15$395,707 SGD

10 data points across 24 retailers

23 retailers$611 SGD to $2,838 SGD

A
Cheapest Retailer
-
$611 SGD
$477 USD
A
Retailer 2
-
$683 SGD
$533 USD
View
Final sale: no returns
A
Retailer 3
-
$684 SGD
$534 USD
View
A
Retailer 4
-
$759 SGD
$592 USD
View
A
Retailer 5
-
$837 SGD
HK$5,100 HKD
View
A
Retailer 6
-
$868 SGD
£533 GBP
View
A
Retailer 7
-
$936 SGD
$730 USD
View
B+
Retailer 8
-
$1,028 SGD
$802 USD
View
A
Retailer 9
-
$1,114 SGD
€828 EUR
View
A
Retailer 10
-
$1,251 SGD
£769 GBP
View
A
Retailer 11
-
$1,368 SGD
$1,067 USD
View
A
Retailer 12
-
$1,632 SGD
ZAR 20,569 ZAR
View
B+
Retailer 13
-
$2,039 SGD
$1,591 USD
View
B+
Retailer 14
-
$2,430 SGD
View
B+
Retailer 15
-
$2,438 SGD
$1,902 USD
View
B+
Retailer 16
-
$2,475 SGD
$1,931 USD
View
B+
Retailer 17
-
$2,504 SGD
$1,954 USD
View
B+
Retailer 18
-
$2,664 SGD
$2,078 USD
View
B+
Retailer 19
-
$2,790 SGD
£1,714 GBP
View
B+
Retailer 20
-
$2,838 SGD
$2,214 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOKGMLLMKN · Oct 7
$5,031 SGD
$3,925 USD
View
Price last confirmed 22 days ago
20 more retailers have this diamond
Prices start from $611 SGDSave up to $2,226 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
3.10ct Radiant
$611 SGD