Marquise|Lab Grown|IGI

10.03ct G VVS1 Marquise Lab Grown Diamond

ID • G/VVS1 • IGI LG831696760

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG831696760

Diamond specifications and retailer prices

From £1,677 GBP
As of November 1, 2026
Save £10,582 GBP (86%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £13,023 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 10.03ct lab-grown marquise diamond

This 10.03ct lab-grown marquise sits in the over five carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG831696760 or 831696760. Listed at 18 retailers as of November 1, 2026, with a 631% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

10.03
Carat
G
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle42.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831696760
Dimensions21.69 × 11.29 × 7.31 mm
L/W Ratio1.92
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
21.69 mm11.29 mm10.03 ctG / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831696760
Side View
Table 60.0%Crown 35.8°Girdle: MED-STKPavilion 42.1°Culet: NoneDepth 64.7%

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: £13,023 GBP|Low: £1,677 GBP|High: £13,322 GBP|Avg: £4,512 GBP|-2.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 2, 2026
Retailer 11£1,677 GBP
Retailer 6£1,814 GBP
Retailer 4£1,879 GBP
Retailer 14£2,004 GBP
Retailer 2£2,587 GBP
Retailer 12£2,720 GBP
Retailer 13£2,909 GBP
Retailer 9£2,937 GBP
Retailer 15£2,939 GBP
Retailer 10£3,482 GBP
Retailer 5£3,571 GBP
Retailer 17£4,332 GBP
Retailer 16£4,801 GBP
Retailer 7£6,216 GBP
Retailer 8£6,569 GBP
Retailer 3£12,259 GBP
Brilliant Earth£13,023 GBP

29 data points across 17 retailers

18 retailers£1,677 GBP to £12,259 GBP

A
Cheapest Retailer
-
£1,677 GBP
A
Retailer 2
-
£1,814 GBP
$2,431 USD
View
Final sale: no returns
Retailer 3
-
£1,879 GBP
$2,518 USD
View
Price last confirmed 22 days ago
A
Retailer 4
-
£2,004 GBP
$2,685 USD
View
A
Retailer 5
-
£2,587 GBP
View
B+
Retailer 6
-
£2,720 GBP
$3,645 USD
View
B+
Retailer 7
-
£2,909 GBP
ZAR 62,976 ZAR
View
B+
Retailer 8
-
£2,937 GBP
$3,935 USD
View
B+
Retailer 9
-
£2,939 GBP
€3,750 EUR
View
B+
Retailer 10
-
£3,482 GBP
A$7,178 AUD
View
B+
Retailer 11
-
£3,571 GBP
View
B
Retailer 12
-
£4,332 GBP
$5,805 USD
View
Retailer 13
-
£4,407 GBP
$5,905 USD
View
Price last confirmed 18 days ago
B+
Retailer 14
-
£4,801 GBP
$6,433 USD
View
B
Retailer 15
-
£6,216 GBP
SGD 11,255 SGD
View
B
Retailer 16
-
£6,569 GBP
$8,802 USD
View
B
Retailer 17
-
£12,259 GBP
$16,426 USD
View
Most Expensive
Brilliant Earth
21695481A · Oct 31
£13,023 GBP
$17,450 USD
View
Price under review
17 more retailers have this diamond
Prices start from £1,677 GBPSave up to £10,582 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
10.03ct Marquise
£1,677 GBP