CaratHunter
Plans
Marquise|Lab Grown|IGI

1.85ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG830608141

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG830608141

Diamond specifications and retailer prices

From £211 GBP
$283 USD
As of November 1, 2026
Save £926 GBP (81%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £1,137 GBP at Frank Darling · As of October 27, 2026
View at Frank Darling

About this 1.85ct lab-grown marquise diamond

This 1.85ct lab-grown marquise sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG830608141 or 830608141. Listed at 4 retailers as of October 27, 2026, with prices from £211 to £1,137, a £926 spread on the same certified stone. Frank Darling lists it at £1,137. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.85
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830608141
Dimensions12.96 × 6.36 × 4.00 mm
L/W Ratio2.04
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.96 mm6.36 mm1.85 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830608141
Side View
Table 56.0%Crown 36.2°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 62.9%

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 1
Current: £1,137 GBP|Low: £211 GBP|High: £1,137 GBP|Avg: £604 GBP|-0.0%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
October 31, 2026
Retailer 3£211 GBP
Retailer 4£314 GBP
Retailer 2£830 GBP
Frank Darling£1,137 GBP

14 data points across 4 retailers

4 retailers£211 GBP to £1,137 GBP

A
Cheapest Retailer
-
£211 GBP
$283 USD
Final sale: no returns
B+
Retailer 2
-
£314 GBP
$421 USD
View
B+
Retailer 3
-
£830 GBP
$1,114 USD
View
Most Expensive
B
Frank Darling
100194345643KD · Oct 27
£1,137 GBP
$1,526 USD
View
3 more retailers have this diamond
Prices start from £211 GBPSave up to £926 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
1.85ct Marquise
£211 GBP