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Marquise|Natural|GIA

0.91ct H SI1 Marquise Natural Diamond

EX • H/SI1 • GIA 7556750484

Certificate GIA 7556750484

Diamond specifications and retailer prices

From £1,204 GBP
HK$12,600 HKD
As of November 1, 2026
Save £2,141 GBP (64%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £3,344 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.91ct natural marquise diamond

This 0.91ct natural marquise sits in the just-under-one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7556750484. Listed at 21 retailers as of October 30, 2026, with prices from £1,204 to £3,344, a £2,141 spread on the same certified stone. NZ Jewellers lists it at £3,344. 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

0.91
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle41.9°
Pavilion angle39.9°
OriginNatural
Grading LabGIA
CertificateGIA 7556750484
Dimensions9.54 × 5.02 × 3.20 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizeNone
Top View
9.54 mm5.02 mm0.91 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 7556750484
Side View
Table 62.0%Crown 41.9°Girdle: MED-THKPavilion 39.9°Culet: NoneDepth 63.8%

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 1
Current: £3,078 GBP|Low: £1,203 GBP|High: £3,118 GBP|Avg: £1,827 GBP|-1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 9£1,204 GBP
Retailer 11£1,210 GBP
Retailer 12£1,372 GBP
Retailer 10£1,431 GBP
Retailer 4£1,436 GBP
Retailer 2£1,459 GBP
Retailer 8£1,612 GBP
Retailer 3£1,673 GBP
Retailer 6£1,758 GBP
Retailer 5£2,184 GBP
Retailer 7£2,803 GBP
Retailer 1£3,078 GBP

23 data points across 12 retailers

21 retailers£1,204 GBP to £3,344 GBP

A
Cheapest Retailer
-
£1,204 GBP
HK$12,600 HKD
Retailer 2
-
£1,210 GBP
₹154,387 INR
View
Price last confirmed 7 days ago
Retailer 3
-
£1,372 GBP
€1,751 EUR
View
Price last confirmed 7 days ago
B+
Retailer 4
-
£1,431 GBP
$1,917 USD
View
B+
Retailer 5
-
£1,436 GBP
SGD 2,600 SGD
View
B+
Retailer 6
-
£1,459 GBP
$1,955 USD
View
B+
Retailer 7
-
£1,467 GBP
$1,965 USD
View
B+
Retailer 8
-
£1,476 GBP
$1,978 USD
View
Final sale: no returns
B+
Retailer 9
-
£1,600 GBP
$2,144 USD
View
B+
Retailer 10
-
£1,612 GBP
$2,160 USD
View
B+
Retailer 11
-
£1,668 GBP
SGD 3,020 SGD
View
B+
Retailer 12
-
£1,673 GBP
$2,242 USD
View
B+
Retailer 13
-
£1,758 GBP
View
B
Retailer 14
-
£1,770 GBP
A$3,648 AUD
View
B+
Retailer 15
-
£1,846 GBP
$2,473 USD
View
B+
Retailer 16
-
£1,893 GBP
$2,537 USD
View
B
Retailer 17
-
£2,184 GBP
€2,787 EUR
View
B
Retailer 18
-
£2,320 GBP
$3,108 USD
View
B
Retailer 19
-
£2,803 GBP
View
B
Retailer 20
-
£3,078 GBP
View
Most Expensive
B
NZ Jewellers
da8957c1-48c1-497c-84b6-14723afde91d · Oct 30
£3,344 GBP
$4,481 USD
View
20 more retailers have this diamond
Prices start from £1,204 GBPSave up to £2,141 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
0.91ct Marquise
£1,204 GBP