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Marquise|Lab Grown|IGI

3.80ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG837683414

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG837683414

Diamond specifications and retailer prices

From $580 SGD
$454 USD
As of October 30, 2026
Save $2,929 SGD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,509 SGD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 3.8ct lab-grown marquise diamond

This 3.8ct 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 LG837683414 or 837683414. Listed at 14 retailers as of October 28, 2026, with prices from $580 to $3,509, a $2,929 spread on the same certified stone. Rare Carat lists it at $3,509. 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

3.80
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837683414
Dimensions16.54 × 8.17 × 5.04 mm
L/W Ratio2.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.54 mm8.17 mm3.80 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837683414
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.7%

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: $3,509 SGD|Low: $580 SGD|High: $3,567 SGD|Avg: $2,038 SGD|-1.6%
Rare Carat
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
November 1, 2026
Retailer 14$580 SGD
Retailer 9$649 SGD
Retailer 12$805 SGD
Retailer 8$1,094 SGD
Retailer 5$1,235 SGD
Retailer 7$1,520 SGD
Retailer 11$1,934 SGD
Retailer 10$1,937 SGD
Retailer 4$2,313 SGD
Retailer 3$2,515 SGD
Retailer 2$2,643 SGD
Retailer 6$3,011 SGD
Retailer 13$3,245 SGD
Rare Carat$3,509 SGD

29 data points across 14 retailers

14 retailers$580 SGD to $3,509 SGD

A
Cheapest Retailer
-
$580 SGD
$454 USD
A
Retailer 2
-
$649 SGD
$508 USD
View
Retailer 3
-
$805 SGD
£496 GBP
View
Price last confirmed 15 days ago
Retailer 4
-
$1,094 SGD
€815 EUR
View
Price last confirmed 7 days ago
A
Retailer 5
-
$1,235 SGD
$966 USD
View
A
Retailer 6
-
$1,520 SGD
A$1,829 AUD
View
A
Retailer 7
-
$1,934 SGD
$1,513 USD
View
B+
Retailer 8
-
$1,937 SGD
$1,515 USD
View
B+
Retailer 9
-
$2,313 SGD
$1,809 USD
View
B+
Retailer 10
-
$2,515 SGD
$1,967 USD
View
B+
Retailer 11
-
$2,643 SGD
£1,628 GBP
View
Retailer 12
-
$3,011 SGD
View
Price last confirmed 19 days ago
B+
Retailer 13
-
$3,245 SGD
$2,538 USD
View
Most Expensive
B+
Rare Carat
LGMQ30-152734 · Oct 28
$3,509 SGD
$2,745 USD
View
13 more retailers have this diamond
Prices start from $580 SGDSave up to $2,929 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
3.80ct Marquise
$580 SGD