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Marquise|Lab Grown|IGI

3.03ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG734532573

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG734532573

Diamond specifications and retailer prices

From £482 GBP
As of November 4, 2026
Save £3,799 GBP (89%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £4,282 GBP at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 3.03ct lab-grown marquise diamond

This 3.03ct 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 LG734532573 or 734532573. Listed at 25 retailers as of November 4, 2026, with prices from £482 to £4,282, a £3,799 spread on the same certified stone. Do Amore Diamonds lists it at £4,282. 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

3.03
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.7°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG734532573
Dimensions14.67 × 7.41 × 4.79 mm
L/W Ratio1.98
Girdle conditionFaceted
Culet sizePointed
Top View
14.67 mm7.41 mm3.03 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG734532573
Side View
Table 60.0%Crown 38.7°Girdle: STK-THKPavilion 40.4°Culet: NoneDepth 64.6%

Caratlytics Score

How it works →
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 4
Current: £4,282 GBP|Low: £463 GBP|High: £4,282 GBP|Avg: £1,463 GBP
Do Amore Diamonds
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
November 5, 2026
Retailer 4£463 GBP
Retailer 8£539 GBP
Retailer 3£559 GBP
Retailer 16£559 GBP
Retailer 9£689 GBP
Retailer 7£705 GBP
Retailer 5£790 GBP
Retailer 2£980 GBP
Retailer 13£1,394 GBP
Retailer 15£1,429 GBP
Retailer 10£1,434 GBP
Retailer 14£1,596 GBP
Retailer 6£1,907 GBP
Retailer 11£2,424 GBP
Retailer 12£3,600 GBP
Do Amore Diamonds£4,282 GBP

44 data points across 16 retailers

25 retailers£482 GBP to £4,282 GBP

Retailer 1
-
£463 GBP
Price last confirmed 34 days ago
A
Retailer 2
-
£482 GBP
View
Retailer 3
-
£524 GBP
View
Price last confirmed 37 days ago
A
Retailer 4
-
£539 GBP
View
Final sale: no returns
Retailer 5
-
£559 GBP
View
Price last confirmed 20 days ago
Retailer 6
-
£559 GBP
View
Price last confirmed 33 days ago
A
Retailer 7
-
£559 GBP
View
A
Retailer 8
-
£633 GBP
View
A
Retailer 9
-
£689 GBP
View
A
Retailer 10
-
£705 GBP
View
B+
Retailer 11
-
£790 GBP
View
A
Retailer 12
-
£980 GBP
View
B+
Retailer 13
-
£1,394 GBP
View
B+
Retailer 14
-
£1,429 GBP
View
B+
Retailer 15
-
£1,434 GBP
View
Retailer 16
-
£1,596 GBP
View
Price last confirmed 8 days ago
Retailer 17
-
£1,736 GBP
View
Price last confirmed 36 days ago
B
Retailer 18
-
£1,736 GBP
View
B
Retailer 19
-
£1,907 GBP
View
B
Retailer 20
-
£1,919 GBP
View
B
Retailer 21
-
£1,935 GBP
View
B
Retailer 22
-
£2,210 GBP
View
B
Retailer 23
-
£2,424 GBP
View
B
Retailer 24
-
£3,600 GBP
View
Most Expensive
B
Do Amore Diamonds
27-D7C1D9CC8 · Nov 4
£4,282 GBP
$5,780 USD
View
24 more retailers have this diamond
Prices start from £482 GBPSave up to £3,799 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
3.03ct Marquise
£482 GBP