CaratHunter
Plans
Marquise|Lab Grown|IGI

3.92ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG837633495

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG837633495

Diamond specifications and retailer prices

From £349 GBP
$467 USD
As of October 30, 2026
Save £1,605 GBP (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,954 GBP at With Clarity · As of November 2, 2026
View at With Clarity

About this 3.92ct lab-grown marquise diamond

This 3.92ct 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 LG837633495 or 837633495. Listed at 12 retailers as of October 30, 2026, with prices from £349 to £1,954, a £1,605 spread on the same certified stone. With Clarity lists it at £1,954. 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

3.92
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837633495
Dimensions16.06 × 8.25 × 5.14 mm
L/W Ratio1.95
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.06 mm8.25 mm3.92 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837633495
Side View
Table 60.0%Crown 34.9°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.3%

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 30
Current: £1,589 GBP|Low: £349 GBP|High: £2,147 GBP|Avg: £1,094 GBP|-19.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
With Clarity
November 1, 2026
Retailer 10£349 GBP
Retailer 7£390 GBP
Retailer 4£481 GBP
Retailer 6£657 GBP
Retailer 3£736 GBP
Retailer 5£913 GBP
Retailer 9£1,163 GBP
Retailer 8£1,164 GBP
Retailer 2£1,390 GBP
Retailer 11£1,515 GBP
Retailer 1£1,589 GBP
With Clarity£1,954 GBP

37 data points across 12 retailers

12 retailers£349 GBP to £1,954 GBP

A
Cheapest Retailer
-
£349 GBP
$467 USD
A
Retailer 2
-
£390 GBP
$523 USD
View
A
Retailer 3
-
£481 GBP
View
Retailer 4
-
£657 GBP
€839 EUR
View
Price last confirmed 7 days ago
A
Retailer 5
-
£736 GBP
$986 USD
View
A
Retailer 6
-
£913 GBP
A$1,883 AUD
View
A
Retailer 7
-
£1,163 GBP
$1,558 USD
View
B+
Retailer 8
-
£1,164 GBP
$1,560 USD
View
B+
Retailer 9
-
£1,390 GBP
$1,863 USD
View
B+
Retailer 10
-
£1,515 GBP
$2,030 USD
View
B+
Retailer 11
-
£1,589 GBP
View
Most Expensive
B+
With Clarity
837633495 · Nov 2
£1,954 GBP
$2,618 USD
View
11 more retailers have this diamond
Prices start from £349 GBPSave up to £1,605 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
3.92ct Marquise
£349 GBP