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Marquise|Natural|GIA

0.81ct H SI2 Marquise Natural Diamond

EX • H/SI2 • GIA 1543908501

Certificate GIA 1543908501

Diamond specifications and retailer prices

From £798 GBP
SGD 1,445 SGD
As of October 31, 2026
Save £1,323 GBP (62%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £2,121 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.81ct natural marquise diamond

This 0.81ct natural marquise sits in the just-under-one-carat band, graded H 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 1543908501. Listed at 6 retailers as of October 30, 2026, with prices from £798 to £2,121, a £1,323 spread on the same certified stone. NZ Jewellers lists it at £2,121. 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

0.81
Carat
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34°
OriginNatural
Grading LabGIA
CertificateGIA 1543908501
Dimensions8.84 × 4.90 × 3.12 mm
L/W Ratio1.80
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
8.84 mm4.90 mm0.81 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1543908501
Side View
Table 60.0%Crown 34°Girdle: THK-VTKPavilionCulet: NoneDepth 63.7%

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: Oct 31
Current: £2,121 GBP|Low: £761 GBP|High: £2,192 GBP|Avg: £1,175 GBP|-3.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 5£798 GBP
Retailer 6£802 GBP
Retailer 4£925 GBP
Retailer 3£984 GBP
Retailer 2£1,127 GBP
NZ Jewellers£2,121 GBP

43 data points across 6 retailers

6 retailers£798 GBP to £2,121 GBP

A
Cheapest Retailer
-
£798 GBP
SGD 1,445 SGD
A
Retailer 2
-
£802 GBP
$1,075 USD
View
Final sale: no returns
A
Retailer 3
-
£925 GBP
$1,240 USD
View
A
Retailer 4
-
£984 GBP
View
A
Retailer 5
-
£1,127 GBP
€1,438 EUR
View
Most Expensive
B
NZ Jewellers
719c8106-8a92-46ba-aae8-2bed872cdcde · Oct 30
£2,121 GBP
$2,842 USD
View
5 more retailers have this diamond
Prices start from £798 GBPSave up to £1,323 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
0.81ct Marquise
£798 GBP