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Marquise|Lab Grown|IGI

1.99ct E VS1 Marquise Lab Grown Diamond

VG • E/VS1 • IGI LG806612143

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG806612143

Diamond specifications and retailer prices

From £287 GBP
As of November 4, 2026
Save £1,123 GBP (80%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £1,410 GBP at Frank Darling · As of November 4, 2026
View at Frank Darling

About this 1.99ct lab-grown marquise diamond

This 1.99ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG806612143 or 806612143. Listed at 5 retailers as of November 4, 2026, with prices from £287 to £1,410, a £1,123 spread on the same certified stone. Frank Darling lists it at £1,410. 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

1.99
Carat
E
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.4°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG806612143
Dimensions12.59 × 6.54 × 4.22 mm
L/W Ratio1.93
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.59 mm6.54 mm1.99 ctE / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG806612143
Side View
Table 60.0%Crown 37.4°Girdle: MED-STKPavilion 41°Culet: NoneDepth 64.5%

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: Nov 4
Current: £1,410 GBP|Low: £287 GBP|High: £2,370 GBP|Avg: £970 GBP|-0.0%
Frank Darling
Retailer 2
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Retailer 15
October 30, 2026
Retailer 8£287 GBP
Retailer 12£405 GBP
Retailer 9£414 GBP
Retailer 13£493 GBP
Retailer 7£572 GBP
Retailer 4£603 GBP
Retailer 5£677 GBP
Retailer 3£802 GBP
Retailer 2£1,067 GBP
Retailer 10£1,096 GBP
Retailer 14£1,149 GBP
Retailer 15£1,156 GBP
Frank Darling£1,410 GBP
Retailer 11£2,080 GBP
Retailer 6£2,370 GBP

8 data points across 15 retailers

5 retailers£287 GBP to £1,410 GBP

A
Cheapest Retailer
-
£287 GBP
Final sale: no returns
B+
Retailer 2
-
£414 GBP
View
B
Retailer 3
-
£1,067 GBP
View
B
Retailer 4
-
£1,096 GBP
View
Most Expensive
B
Frank Darling
100757584415KD · Nov 4
£1,410 GBP
$1,898 USD
View
4 more retailers have this diamond
Prices start from £287 GBPSave up to £1,123 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
1.99ct Marquise
£287 GBP