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Marquise|Lab Grown|IGI

3.93ct G VVS2 Marquise Lab Grown Diamond

ID • G/VVS2 • IGI LG816686059

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG816686059

Diamond specifications and retailer prices

From £380 GBP
$509 USD
As of October 27, 2026
Save £2,680 GBP (88%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £3,060 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.93ct lab-grown marquise diamond

This 3.93ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG816686059 or 816686059. Listed at 23 retailers as of October 27, 2026, with prices from £380 to £3,060, a £2,680 spread on the same certified stone. Brilliant Earth lists it at £3,060. 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

3.93
Carat
G
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816686059
Dimensions16.01 × 8.39 × 5.14 mm
L/W Ratio1.91
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.01 mm8.39 mm3.93 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816686059
Side View
Table 57.0%Crown 35.9°Girdle: MediumPavilion 39.8°Culet: NoneDepth 61.3%

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 27
Current: £3,060 GBP|Low: £380 GBP|High: £3,239 GBP|Avg: £1,203 GBP|-5.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
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Retailer 12
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Retailer 20
November 1, 2026
Retailer 9£380 GBP
Retailer 4£425 GBP
Retailer 16£444 GBP
Retailer 11£537 GBP
Retailer 13£575 GBP
Retailer 20£631 GBP
Retailer 18£708 GBP
Retailer 2£784 GBP
Retailer 17£890 GBP
Retailer 15£994 GBP
Retailer 19£1,022 GBP
Retailer 14£1,096 GBP
Retailer 5£1,192 GBP
Retailer 6£1,376 GBP
Retailer 12£1,413 GBP
Retailer 8£1,532 GBP
Retailer 7£1,745 GBP
Retailer 3£2,291 GBP
Retailer 10£2,335 GBP
Brilliant Earth£3,060 GBP

41 data points across 20 retailers

23 retailers£380 GBP to £3,060 GBP

A
Cheapest Retailer
-
£380 GBP
$509 USD
A
Retailer 2
-
£425 GBP
$570 USD
View
A
Retailer 3
-
£444 GBP
$595 USD
View
Final sale: no returns
Retailer 4
-
£537 GBP
$720 USD
View
Price last confirmed 16 days ago
A
Retailer 5
-
£537 GBP
$720 USD
View
A
Retailer 6
-
£575 GBP
$770 USD
View
B+
Retailer 7
-
£631 GBP
$845 USD
View
A
Retailer 8
-
£708 GBP
$949 USD
View
A
Retailer 9
-
£784 GBP
View
A
Retailer 10
-
£890 GBP
€1,136 EUR
View
A
Retailer 11
-
£994 GBP
A$2,049 AUD
View
A
Retailer 12
-
£1,022 GBP
ZAR 22,114 ZAR
View
A
Retailer 13
-
£1,096 GBP
$1,469 USD
View
A
Retailer 14
-
£1,192 GBP
$1,597 USD
View
B+
Retailer 15
-
£1,376 GBP
View
B+
Retailer 16
-
£1,413 GBP
$1,893 USD
View
Price last confirmed 7 days ago
B+
Retailer 17
-
£1,532 GBP
$2,052 USD
View
B+
Retailer 18
-
£1,644 GBP
$2,203 USD
View
B+
Retailer 19
-
£1,745 GBP
$2,338 USD
View
B
Retailer 20
-
£2,291 GBP
$3,070 USD
View
B
Retailer 21
-
£2,335 GBP
View
B
Retailer 22
-
£3,045 GBP
$4,080 USD
View
Most Expensive
B
Brilliant Earth
20725457A · Oct 31
£3,060 GBP
$4,100 USD
View
22 more retailers have this diamond
Prices start from £380 GBPSave up to £2,680 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
3.93ct Marquise
£380 GBP