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Marquise|Lab Grown|IGI

3.10ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG776620830

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG776620830

Diamond specifications and retailer prices

From $783 SGD
$612 USD
As of November 1, 2026
Save $2,920 SGD (79%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $4,508 SGD at Helzberg Diamonds · As of October 6, 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 LG776620830 or 776620830. Listed at 6 retailers as of November 1, 2026, with a 373% 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 angle35°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG776620830
Dimensions15.77 × 7.57 × 4.67 mm
L/W Ratio2.08
Girdle conditionFaceted
Culet sizePointed
Top View
15.77 mm7.57 mm3.10 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG776620830
Side View
Table 62.0%Crown 35°Girdle: MediumPavilion 40.4°Culet: NoneDepth 61.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $4,508 SGD|Low: $783 SGD|High: $4,508 SGD|Avg: $2,084 SGD
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 6$783 SGD
Retailer 11$952 SGD
Retailer 7$1,107 SGD
Retailer 3$1,218 SGD
Retailer 10$1,359 SGD
Retailer 8$1,929 SGD
Retailer 2$1,999 SGD
Retailer 4$2,782 SGD
Retailer 5$3,703 SGD
Retailer 9$4,169 SGD
Helzberg Diamonds$4,508 SGD

24 data points across 11 retailers

6 retailers$783 SGD to $3,703 SGD

B+
Cheapest Retailer
-
$783 SGD
$612 USD
B+
Retailer 2
-
$1,999 SGD
$1,563 USD
View
B+
Retailer 3
-
$2,782 SGD
$2,175 USD
View
B
Retailer 4
-
$3,703 SGD
$2,895 USD
View
Retailer 5
-
$4,169 SGD
$3,260 USD
View
Price last confirmed 32 days ago
Most Expensive
Helzberg Diamonds
ZXZNNMMIGOJG · Oct 6
$4,508 SGD
$3,525 USD
View
Price last confirmed 28 days ago
5 more retailers have this diamond
Prices start from $783 SGDSave up to $2,920 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.

B+
3.10ct Marquise
$783 SGD