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Marquise|Natural|GIA

1.51ct L SI2 Marquise Natural Diamond

EX • L/SI2 • GIA 2566645224

Certificate GIA 2566645224

Diamond specifications and retailer prices

From £1,620 GBP
As of November 6, 2026
Save £1,210 GBP (43%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £2,829 GBP at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

About this 1.51ct natural marquise diamond

This 1.51ct natural marquise sits in the one-and-a-half to two carat band, graded L colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2566645224. Listed at 7 retailers as of November 6, 2026, with prices from £1,620 to £2,829, a £1,210 spread on the same certified stone. Wholesale Diamonds Direct lists it at £2,829. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.51
Carat
L
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle39.04°
Pavilion angle38.46°
OriginNatural
Grading LabGIA
CertificateGIA 2566645224
Dimensions11.71 × 5.84 × 3.70 mm
L/W Ratio2.01
Culet sizeNone
Top View
11.71 mm5.84 mm1.51 ctL / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2566645224
Side View
Table 58.0%Crown 39.04°Girdle: STK-THKPavilion 38.46°Culet: NDepth 63.3%

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 6
Current: £2,192 GBP|Low: £1,620 GBP|High: £2,829 GBP|Avg: £1,989 GBP|-0.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Wholesale Diamonds Direct
November 6, 2026
Retailer 4£1,620 GBP
Retailer 2£1,692 GBP
Retailer 3£1,696 GBP
Retailer 5£1,710 GBP
Retailer 6£2,120 GBP
Retailer 1£2,192 GBP
Wholesale Diamonds Direct£2,829 GBP

11 data points across 7 retailers

7 retailers£1,620 GBP to £2,829 GBP

A
Cheapest Retailer
-
£1,620 GBP
A
Retailer 2
-
£1,692 GBP
View
A
Retailer 3
-
£1,696 GBP
View
A
Retailer 4
-
£1,710 GBP
View
B+
Retailer 5
-
£2,120 GBP
View
B+
Retailer 6
-
£2,192 GBP
View
Most Expensive
B
Wholesale Diamonds Direct
571980718 · Nov 6
£2,829 GBP
$3,787 USD
View
6 more retailers have this diamond
Prices start from £1,620 GBPSave up to £1,210 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
1.51ct Marquise
£1,620 GBP