Marquise|Lab Grown|IGI

12.03ct G VVS2 Marquise Lab Grown Diamond

ID • G/VVS2 • IGI LG772674403

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG772674403

Diamond specifications and retailer prices

From £1,599 GBP
$2,146 USD
As of November 1, 2026
Save £7,686 GBP (83%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £9,285 GBP at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 12.03ct lab-grown marquise diamond

This 12.03ct lab-grown marquise sits in the over 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 LG772674403 or 772674403. Listed at 22 retailers as of November 1, 2026, with prices from £1,599 to £9,285, a £7,686 spread on the same certified stone. Brilliant Earth lists it at £9,285. 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

12.03
Carat
G
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.7°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG772674403
Dimensions23.66 × 12.31 × 6.68 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
23.66 mm12.31 mm12.03 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG772674403
Side View
Table 66.0%Crown 37.7°Girdle: STK-THKPavilion 34.3°Culet: NoneDepth 54.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £9,285 GBP|Low: £1,599 GBP|High: £16,580 GBP|Avg: £3,335 GBP|-44.0%
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
November 3, 2026
Retailer 9£1,599 GBP
Retailer 5£1,657 GBP
Retailer 14£1,781 GBP
Retailer 6£2,029 GBP
Retailer 2£2,278 GBP
Retailer 3£2,368 GBP
Retailer 8£2,510 GBP
Retailer 12£2,564 GBP
Retailer 13£2,624 GBP
Retailer 10£3,069 GBP
Retailer 7£3,146 GBP
Retailer 15£4,192 GBP
Retailer 4£4,271 GBP
Retailer 11£8,078 GBP
Brilliant Earth£9,285 GBP

41 data points across 15 retailers

22 retailers£1,599 GBP to £9,285 GBP

Retailer 1
-
£1,428 GBP
$1,916 USD
Price last confirmed 25 days ago
Retailer 2
-
£1,554 GBP
$2,085 USD
View
Price last confirmed 35 days ago
A
Retailer 3
-
£1,599 GBP
$2,146 USD
View
Final sale: no returns
Retailer 4
-
£1,657 GBP
$2,223 USD
View
Price last confirmed 30 days ago
A
Retailer 5
-
£1,781 GBP
$2,390 USD
View
A
Retailer 6
-
£2,029 GBP
$2,723 USD
View
A
Retailer 7
-
£2,278 GBP
View
B+
Retailer 8
-
£2,368 GBP
$3,178 USD
View
A
Retailer 9
-
£2,510 GBP
$3,368 USD
View
A
Retailer 10
-
£2,564 GBP
ZAR 55,593 ZAR
View
A
Retailer 11
-
£2,624 GBP
€3,353 EUR
View
B+
Retailer 12
-
£3,069 GBP
A$6,336 AUD
View
Retailer 13
-
£3,105 GBP
$4,167 USD
View
Price last confirmed 33 days ago
B+
Retailer 14
-
£3,146 GBP
View
Retailer 15
-
£4,192 GBP
$5,625 USD
View
Price last confirmed 19 days ago
B+
Retailer 16
-
£4,271 GBP
$5,731 USD
View
B+
Retailer 17
-
£4,464 GBP
$5,990 USD
View
B+
Retailer 18
-
£4,740 GBP
$6,360 USD
View
B
Retailer 19
-
£5,801 GBP
$7,784 USD
View
B
Retailer 20
-
£7,276 GBP
$9,764 USD
View
B
Retailer 21
-
£8,078 GBP
$10,840 USD
View
Most Expensive
B
Brilliant Earth
20734158A · Nov 2
£9,285 GBP
$12,460 USD
View
21 more retailers have this diamond
Prices start from £1,599 GBPSave up to £7,686 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
12.03ct Marquise
£1,599 GBP