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Marquise|Lab Grown|IGI

3.89ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG810618886

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG810618886

Diamond specifications and retailer prices

From £395 GBP
$529 USD
As of October 28, 2026
Save £2,316 GBP (85%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £2,711 GBP at Frank Darling · As of October 27, 2026
View at Frank Darling

About this 3.89ct lab-grown marquise diamond

This 3.89ct 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 LG810618886 or 810618886. Listed at 5 retailers as of October 27, 2026, with prices from £395 to £2,711, a £2,316 spread on the same certified stone. Frank Darling lists it at £2,711. 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

3.89
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG810618886
Dimensions16.93 × 8.23 × 4.97 mm
L/W Ratio2.06
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.93 mm8.23 mm3.89 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG810618886
Side View
Table 63.0%Crown 35.4°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.4%

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 28
Current: £2,711 GBP|Low: £395 GBP|High: £2,806 GBP|Avg: £1,285 GBP|-0.0%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 28, 2026
Retailer 2£395 GBP
Retailer 5£557 GBP
Retailer 7£616 GBP
Retailer 6£676 GBP
Retailer 9£770 GBP
Retailer 10£942 GBP
Retailer 4£1,451 GBP
Retailer 3£2,049 GBP
Frank Darling£2,711 GBP
Retailer 8£2,806 GBP

15 data points across 10 retailers

5 retailers£395 GBP to £2,711 GBP

A
Cheapest Retailer
-
£395 GBP
$529 USD
Final sale: no returns
Retailer 2
-
£557 GBP
$746 USD
View
Price last confirmed 7 days ago
B+
Retailer 3
-
£1,451 GBP
$1,944 USD
View
Retailer 4
-
£2,049 GBP
$2,745 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Frank Darling
100767741081KD · Oct 27
£2,711 GBP
$3,632 USD
View
4 more retailers have this diamond
Prices start from £395 GBPSave up to £2,316 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
3.89ct Marquise
£395 GBP