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Marquise|Natural|GIA

1.53ct J SI2 Marquise Natural Diamond

EX • J/SI2 • GIA 1543564942

Certificate GIA 1543564942

Diamond specifications and retailer prices

From £4,752 GBP
As of November 5, 2026
Save £934 GBP (16%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £5,686 GBP at 77 Diamonds · As of November 5, 2026
View at 77 Diamonds

About this 1.53ct natural marquise diamond

This 1.53ct natural marquise sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1543564942. Listed at 2 retailers as of November 5, 2026, with prices from £4,752 to £5,686, a £934 spread on the same certified stone. 77 Diamonds lists it at £5,686. 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

1.53
Carat
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
Crown angle35.64°
Pavilion angle39.4°
OriginNatural
Grading LabGIA
CertificateGIA 1543564942
Dimensions11.81 × 6.14 × 3.66 mm
L/W Ratio1.92
Girdle conditionThick
Key to symbols
Crystal, Feather
Top View
11.81 mm6.14 mm1.53 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 1543564942
Side View
Table 61.0%Crown 35.64°Girdle: STK-THKPavilion 39.4°CuletDepth 59.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 5
Current: £5,686 GBP|Low: £4,304 GBP|High: £5,780 GBP|Avg: £5,107 GBP|-1.1%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
November 5, 2026
Retailer 3£4,304 GBP
Retailer 2£4,752 GBP
Retailer 4£5,319 GBP
77 Diamonds£5,686 GBP

34 data points across 4 retailers

2 retailers£4,752 GBP to £5,686 GBP

B
Cheapest Retailer
-
£4,752 GBP
Most Expensive
B
77 Diamonds
MQMBRVEVWHCU · Nov 5
£5,686 GBP
View
1 more retailer has this diamond
Prices start from £4,752 GBPSave up to £934 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
1.53ct Marquise
£4,752 GBP