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Marquise|Natural|GIA

0.91ct I SI1 Marquise Natural Diamond

EX • I/SI1 • GIA 7536493655

Certificate GIA 7536493655

Diamond specifications and retailer prices

From £1,711 GBP
$2,296 USD
As of November 2, 2026
Save £2,684 GBP (61%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £4,395 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 I 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 7536493655. Listed at 12 retailers as of October 30, 2026, with prices from £1,711 to £4,395, a £2,684 spread on the same certified stone. NZ Jewellers lists it at £4,395. 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
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
Pavilion angle40.2°
OriginNatural
Grading LabGIA
CertificateGIA 7536493655
Dimensions9.76 × 5.00 × 3.18 mm
L/W Ratio1.95
Girdle conditionFaceted
Top View
9.76 mm5.00 mm0.91 ctI / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7536493655
Side View
Table 57.0%CrownGirdle: STK-THKPavilion 40.2°Culet: NoneDepth 63.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £4,395 GBP|Low: £1,692 GBP|High: £4,395 GBP|Avg: £2,453 GBP|+11.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 11£1,711 GBP
Retailer 10£1,721 GBP
Retailer 12£1,757 GBP
Retailer 9£1,858 GBP
Retailer 8£1,905 GBP
Retailer 4£1,993 GBP
Retailer 5£2,055 GBP
Retailer 3£2,198 GBP
Retailer 2£2,250 GBP
Retailer 13£2,417 GBP
Retailer 7£2,461 GBP
Retailer 6£3,683 GBP
NZ Jewellers£4,395 GBP

39 data points across 13 retailers

12 retailers£1,711 GBP to £4,395 GBP

B+
Cheapest Retailer
-
£1,711 GBP
$2,296 USD
B+
Retailer 2
-
£1,721 GBP
$2,310 USD
View
B+
Retailer 3
-
£1,757 GBP
$2,358 USD
View
Final sale: no returns
B+
Retailer 4
-
£1,858 GBP
$2,494 USD
View
B+
Retailer 5
-
£1,905 GBP
$2,556 USD
View
B+
Retailer 6
-
£1,993 GBP
$2,674 USD
View
B
Retailer 7
-
£2,198 GBP
$2,949 USD
View
B
Retailer 8
-
£2,250 GBP
View
B
Retailer 9
-
£2,417 GBP
$3,243 USD
View
B
Retailer 10
-
£2,461 GBP
€3,145 EUR
View
B
Retailer 11
-
£3,683 GBP
View
Most Expensive
B
NZ Jewellers
141a476e-f90e-46d0-a6ed-df174000a4f0 · Oct 30
£4,395 GBP
$5,898 USD
View
11 more retailers have this diamond
Prices start from £1,711 GBPSave up to £2,684 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+
0.91ct Marquise
£1,711 GBP