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Marquise|Lab Grown|IGI

3.71ct D VS2 Marquise Lab Grown Diamond

ID • D/VS2 • IGI LG821630534

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG821630534

Diamond specifications and retailer prices

From $998 SGD
$781 USD
As of October 30, 2026
Save $7,580 SGD (88%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $8,578 SGD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 3.71ct lab-grown marquise diamond

This 3.71ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG821630534 or 821630534. Listed at 12 retailers as of October 30, 2026, with prices from $998 to $8,578, a $7,580 spread on the same certified stone. Do Amore Diamonds lists it at $8,578. 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

3.71
Carat
D
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821630534
Dimensions15.93 × 8.12 × 5.07 mm
L/W Ratio1.96
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.93 mm8.12 mm3.71 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821630534
Side View
Table 56.0%Crown 36.8°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.4%

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: Oct 30
Current: $8,578 SGD|Low: $959 SGD|High: $8,578 SGD|Avg: $3,077 SGD
Do Amore 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
Retailer 14
October 25, 2026
Retailer 11$998 SGD
Retailer 14$1,087 SGD
Retailer 5$1,096 SGD
Retailer 3$1,572 SGD
Retailer 8$1,797 SGD
Retailer 4$1,840 SGD
Retailer 10$1,841 SGD
Retailer 13$1,872 SGD
Retailer 9$2,755 SGD
Retailer 12$3,596 SGD
Retailer 6$4,308 SGD
Retailer 2$4,799 SGD
Retailer 7$6,207 SGD
Do Amore Diamonds$8,578 SGD

20 data points across 14 retailers

12 retailers$998 SGD to $8,578 SGD

A
Cheapest Retailer
-
$998 SGD
$781 USD
A
Retailer 2
-
$1,087 SGD
$850 USD
View
A
Retailer 3
-
$1,572 SGD
$1,230 USD
View
Retailer 4
-
$1,797 SGD
£1,107 GBP
View
Price last confirmed 14 days ago
A
Retailer 5
-
$1,840 SGD
$1,439 USD
View
A
Retailer 6
-
$1,841 SGD
$1,440 USD
View
A
Retailer 7
-
$1,872 SGD
$1,464 USD
View
B+
Retailer 8
-
$2,755 SGD
$2,155 USD
View
B+
Retailer 9
-
$3,596 SGD
$2,813 USD
View
B
Retailer 10
-
$4,799 SGD
£2,956 GBP
View
B
Retailer 11
-
$6,207 SGD
$4,855 USD
View
Most Expensive
B
Do Amore Diamonds
7-1790314 · Oct 30
$8,578 SGD
$6,710 USD
View
11 more retailers have this diamond
Prices start from $998 SGDSave up to $7,580 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
3.71ct Marquise
$998 SGD