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Marquise|Natural|GIA

1.00ct D SI2 Marquise Natural Diamond

VG • D/SI2 • GIA 7558426807

Certificate GIA 7558426807

Diamond specifications and retailer prices

From £1,469 GBP
HK$15,400 HKD
As of November 1, 2026
Save £2,623 GBP (64%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £4,092 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic one-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 7558426807. Listed at 18 retailers as of October 30, 2026, with prices from £1,469 to £4,092, a £2,623 spread on the same certified stone. NZ Jewellers lists it at £4,092. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
D
Colour
SI2
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle40.6°
Pavilion angle40.1°
OriginNatural
Grading LabGIA
CertificateGIA 7558426807
Dimensions9.94 × 5.15 × 3.38 mm
L/W Ratio1.93
Girdle conditionFaceted
Culet sizeNone
Top View
9.94 mm5.15 mm1.00 ctD / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7558426807
Side View
Table 63.0%Crown 40.6°Girdle: STK-VTKPavilion 40.1°Culet: NoneDepth 65.6%

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: Nov 1
Current: £1,935 GBP|Low: £1,469 GBP|High: £3,470 GBP|Avg: £2,061 GBP|-1.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 6£1,469 GBP
Retailer 9£1,490 GBP
Retailer 2£1,672 GBP
Retailer 8£1,770 GBP
Retailer 3£1,806 GBP
Retailer 10£1,884 GBP
Retailer 1£1,935 GBP
Retailer 11£2,033 GBP
Retailer 4£2,095 GBP
Retailer 7£2,444 GBP
Retailer 5£3,429 GBP

26 data points across 11 retailers

18 retailers£1,469 GBP to £4,092 GBP

A
Cheapest Retailer
-
£1,469 GBP
HK$15,400 HKD
Retailer 2
-
£1,490 GBP
₹190,483 INR
View
Price last confirmed 7 days ago
A
Retailer 3
-
£1,658 GBP
$2,225 USD
View
A
Retailer 4
-
£1,672 GBP
SGD 3,032 SGD
View
A
Retailer 5
-
£1,770 GBP
$2,375 USD
View
B+
Retailer 6
-
£1,806 GBP
$2,424 USD
View
Final sale: no returns
A
Retailer 7
-
£1,884 GBP
$2,528 USD
View
A
Retailer 8
-
£1,935 GBP
View
A
Retailer 9
-
£1,957 GBP
$2,626 USD
View
A
Retailer 10
-
£2,033 GBP
$2,728 USD
View
A
Retailer 11
-
£2,038 GBP
A$4,208 AUD
View
A
Retailer 12
-
£2,046 GBP
SGD 3,710 SGD
View
A
Retailer 13
-
£2,095 GBP
View
A
Retailer 14
-
£2,259 GBP
$3,031 USD
View
B+
Retailer 15
-
£2,444 GBP
€3,124 EUR
View
B+
Retailer 16
-
£2,845 GBP
$3,818 USD
View
B+
Retailer 17
-
£3,429 GBP
View
Most Expensive
B
NZ Jewellers
bf962487-398f-4178-8f7e-bc741cdfca0d · Oct 30
£4,092 GBP
$5,491 USD
View
17 more retailers have this diamond
Prices start from £1,469 GBPSave up to £2,623 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
1.00ct Marquise
£1,469 GBP