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Marquise|Lab Grown|IGI

3.80ct G VS1 Marquise Lab Grown Diamond

VG • G/VS1 • IGI LG848677113

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG848677113

Diamond specifications and retailer prices

From £763 GBP
$1,022 USD
As of November 1, 2026
Save £839 GBP (52%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £1,602 GBP at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

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 very-good cut grade and certified by IGI LG848677113 or 848677113. Listed at 4 retailers as of October 31, 2026, with prices from £763 to £1,602, a £839 spread on the same certified stone. Taylor and Hart lists it at £1,602. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.80
Carat
G
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG848677113
Dimensions16.16 × 8.23 × 5.08 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
16.16 mm8.23 mm3.80 ctG / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG848677113
Side View
Table 59.0%Crown 33.6°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 61.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £765 GBP|Low: £763 GBP|High: £1,602 GBP|Avg: £1,045 GBP|+0.1%
Retailer 1
Retailer 2
Retailer 3
Taylor and Hart
November 1, 2026
Retailer 3£763 GBP
Retailer 1£765 GBP
Retailer 2£1,052 GBP
Taylor and Hart£1,602 GBP

5 data points across 4 retailers

4 retailers£763 GBP to £1,602 GBP

B+
Cheapest Retailer
-
£763 GBP
$1,022 USD
A
Retailer 2
-
£765 GBP
View
B+
Retailer 3
-
£1,052 GBP
$1,409 USD
View
Most Expensive
B
Taylor and Hart
RV9EXF9 · Oct 31
£1,602 GBP
$2,146 USD
View
3 more retailers have this diamond
Prices start from £763 GBPSave up to £839 GBP

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
£763 GBP