CaratHunter
Plans
Marquise|Natural|GIA

1.51ct L SI2 Marquise Natural Diamond

EX • L/SI2 • GIA 3545935771

Certificate GIA 3545935771

Diamond specifications and retailer prices

From £2,985 GBP
As of November 6, 2026
8 retailers carry this diamond
Most expensive: £4,151 GBP at Wholesale Diamonds Direct · As of October 21, 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 3545935771. Listed at 8 retailers as of November 6, 2026. 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
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 3545935771
Dimensions11.54 × 5.94 × 3.77 mm
L/W Ratio1.94
Top View
11.54 mm5.94 mm1.51 ctL / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 3545935771
Side View
Table 59.0%CrownGirdle: STK-VTKPavilion 40.6°Culet: NoneDepth 63.5%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £2,648 GBP|Low: £2,016 GBP|High: £4,467 GBP|Avg: £2,806 GBP|-3.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Wholesale Diamonds Direct
October 30, 2026
Retailer 3£2,016 GBP
Retailer 5£2,046 GBP
Retailer 4£2,167 GBP
Retailer 6£2,383 GBP
Retailer 7£2,500 GBP
Retailer 1£2,648 GBP
Retailer 8£2,985 GBP
Retailer 2£3,164 GBP
Wholesale Diamonds Direct£4,151 GBP

32 data points across 9 retailers

8 retailers

Retailer 1
-
£2,016 GBP
Price last confirmed 15 days ago
Retailer 2
-
£2,046 GBP
View
Price last confirmed 7 days ago
Retailer 3
-
£2,167 GBP
View
Price last confirmed 9 days ago
Retailer 4
-
£2,500 GBP
View
Price last confirmed 9 days ago
Retailer 5
-
£2,648 GBP
View
Price last confirmed 7 days ago
B
Retailer 6
-
£2,985 GBP
View
Retailer 7
-
£3,164 GBP
View
Price last confirmed 9 days ago
Most Expensive
Wholesale Diamonds Direct
573285618 · Oct 21
£4,151 GBP
$5,556 USD
View
Price last confirmed 16 days ago
7 more retailers have this diamond
Prices start from £2,985 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.

B
1.51ct Marquise
£2,985 GBP