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Marquise|Natural|IGI

0.51ct H VVS1 Marquise Natural Diamond

VG • H/VVS1 • IGI 757501057

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 757501057

Diamond specifications and retailer prices

From £340 GBP
₹43,398 INR
As of November 1, 2026
Save £1,810 GBP (84%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £2,150 GBP at Flawless Fine Jewelry · As of November 2, 2026
View at Flawless Fine Jewelry

About this 0.51ct natural marquise diamond

This 0.51ct natural marquise sits in the half to three-quarter carat band, graded H colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI 757501057. Listed at 14 retailers as of November 1, 2026, with prices from £340 to £2,150, a £1,810 spread on the same certified stone. Flawless Fine Jewelry lists it at £2,150. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
H
Colour
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.6°
Pavilion angle39.1°
OriginNatural
Grading LabIGI
CertificateIGI 757501057
Dimensions7.80 × 4.30 × 2.56 mm
L/W Ratio1.81
Girdle conditionFaceted
Culet sizePointed
Top View
7.80 mm4.30 mm0.51 ctH / VVS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 757501057
Side View
Table 64.0%Crown 36.6°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 59.5%

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: £2,150 GBP|Low: £340 GBP|High: £2,150 GBP|Avg: £727 GBP
Flawless Fine Jewelry
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
November 2, 2026
Retailer 9£340 GBP
Retailer 6£410 GBP
Retailer 10£425 GBP
Retailer 7£617 GBP
Retailer 5£708 GBP
Retailer 3£1,102 GBP
Retailer 11£1,195 GBP
Retailer 14£1,207 GBP
Retailer 13£1,254 GBP
Retailer 8£1,350 GBP
Retailer 4£1,379 GBP
Retailer 2£1,467 GBP
Retailer 12£2,094 GBP
Flawless Fine Jewelry£2,150 GBP

33 data points across 14 retailers

14 retailers£340 GBP to £2,150 GBP

A
Cheapest Retailer
-
£340 GBP
₹43,398 INR
A
Retailer 2
-
£410 GBP
$550 USD
View
A
Retailer 3
-
£425 GBP
$570 USD
View
A
Retailer 4
-
£617 GBP
€787 EUR
View
B+
Retailer 5
-
£708 GBP
ZAR 15,334 ZAR
View
B
Retailer 6
-
£1,102 GBP
$1,477 USD
View
Final sale: no returns
B
Retailer 7
-
£1,195 GBP
$1,601 USD
View
B
Retailer 8
-
£1,207 GBP
$1,617 USD
View
B
Retailer 9
-
£1,254 GBP
$1,680 USD
View
C
Retailer 10
-
£1,350 GBP
View
B
Retailer 11
-
£1,379 GBP
$1,848 USD
View
B
Retailer 12
-
£1,467 GBP
View
B
Retailer 13
-
£2,094 GBP
View
Most Expensive
B
Flawless Fine Jewelry
7860767E4 · Nov 2
£2,150 GBP
View
13 more retailers have this diamond
Prices start from £340 GBPSave up to £1,810 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
0.51ct Marquise
£340 GBP