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Marquise|Lab Grown|IGI

3.80ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG812617949

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG812617949

Diamond specifications and retailer prices

From $711 SGD
$556 USD
As of October 31, 2026
Save $3,826 SGD (84%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $4,537 SGD at Frank Darling · As of October 31, 2026
View at Frank Darling

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 LG812617949 or 812617949. Listed at 5 retailers as of October 31, 2026, with prices from $711 to $4,537, a $3,826 spread on the same certified stone. Frank Darling lists it at $4,537. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812617949
Dimensions16.09 × 8.44 × 5.07 mm
L/W Ratio1.91
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.09 mm8.44 mm3.80 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812617949
Side View
Table 62.0%Crown 35.4°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 60.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $4,537 SGD|Low: $711 SGD|High: $4,537 SGD|Avg: $2,080 SGD|-0.0%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 27, 2026
Retailer 3$711 SGD
Retailer 2$987 SGD
Retailer 6$1,235 SGD
Retailer 5$2,579 SGD
Retailer 4$3,522 SGD
Frank Darling$4,537 SGD

20 data points across 6 retailers

5 retailers$711 SGD to $4,537 SGD

A
Cheapest Retailer
-
$711 SGD
$556 USD
Final sale: no returns
B+
Retailer 2
-
$987 SGD
$772 USD
View
B+
Retailer 3
-
$2,579 SGD
$2,017 USD
View
Retailer 4
-
$3,522 SGD
$2,755 USD
View
Price last confirmed 7 days ago
Most Expensive
B
Frank Darling
100747444284KD · Oct 31
$4,537 SGD
$3,549 USD
View
4 more retailers have this diamond
Prices start from $711 SGDSave up to $3,826 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
$711 SGD