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Marquise|Lab Grown|IGI

3.10ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG774641699

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG774641699

Diamond specifications and retailer prices

From $523 SGD
$409 USD
As of November 1, 2026
Save $2,291 SGD (81%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $4,508 SGD at Helzberg Diamonds · As of October 26, 2026
View at Helzberg Diamonds

About this 3.1ct lab-grown marquise diamond

This 3.1ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG774641699 or 774641699. Listed at 5 retailers as of October 28, 2026, with a 438% 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
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG774641699
Dimensions15.32 × 7.42 × 4.77 mm
L/W Ratio2.06
Girdle conditionFaceted
Culet sizePointed
Top View
15.32 mm7.42 mm3.10 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG774641699
Side View
Table 59.0%Crown 36.7°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 64.3%

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: Nov 1
Current: $4,508 SGD|Low: $523 SGD|High: $4,508 SGD|Avg: $1,888 SGD
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 3, 2026
Retailer 7$523 SGD
Retailer 12$903 SGD
Retailer 13$952 SGD
Retailer 10$978 SGD
Retailer 2$1,081 SGD
Retailer 3$1,218 SGD
Retailer 11$1,359 SGD
Retailer 4$1,555 SGD
Retailer 9$1,929 SGD
Retailer 5$2,371 SGD
Retailer 6$2,814 SGD
Retailer 8$3,965 SGD
Helzberg Diamonds$4,508 SGD

40 data points across 13 retailers

5 retailers$523 SGD to $2,814 SGD

A
Cheapest Retailer
-
$523 SGD
$409 USD
Final sale: no returns
A
Retailer 2
-
$1,081 SGD
£665 GBP
View
B
Retailer 3
-
$2,814 SGD
$2,200 USD
View
Retailer 4
-
$3,965 SGD
$3,100 USD
View
Price last confirmed 15 days ago
Most Expensive
Helzberg Diamonds
ZXZNNKMKHMPP · Oct 26
$4,508 SGD
$3,525 USD
View
Price last confirmed 8 days ago
4 more retailers have this diamond
Prices start from $523 SGDSave up to $2,291 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 Marquise
$523 SGD