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Marquise|Natural|GIA

1.00ct D SI2 Marquise Natural Diamond

EX • D/SI2 • GIA 1567501831

Certificate GIA 1567501831

Diamond specifications and retailer prices

From £1,853 GBP
HK$19,400 HKD
As of November 1, 2026
Save £2,422 GBP (57%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £4,275 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 top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1567501831. Listed at 17 retailers as of October 30, 2026, with prices from £1,853 to £4,275, a £2,422 spread on the same certified stone. NZ Jewellers lists it at £4,275. 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

1.00
Carat
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1567501831
Dimensions9.82 × 5.21 × 3.27 mm
L/W Ratio1.88
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Cavity, Indented Natural
Top View
9.82 mm5.21 mm1.00 ctD / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1567501831
Side View
Table 63.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 62.7%

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: Nov 1
Current: £4,275 GBP|Low: £1,834 GBP|High: £4,275 GBP|Avg: £2,693 GBP
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 1, 2026
Retailer 13£1,853 GBP
Retailer 2£1,934 GBP
Retailer 9£2,233 GBP
Retailer 8£2,243 GBP
Retailer 5£2,265 GBP
Retailer 10£2,426 GBP
Retailer 4£2,454 GBP
Retailer 16£2,454 GBP
Retailer 17£2,548 GBP
Retailer 6£2,561 GBP
Retailer 12£2,564 GBP
Retailer 7£2,572 GBP
Retailer 3£2,832 GBP
Retailer 14£2,873 GBP
Retailer 15£4,024 GBP
Retailer 11£4,103 GBP
NZ Jewellers£4,275 GBP

17 data points across 17 retailers

17 retailers£1,853 GBP to £4,275 GBP

A
Cheapest Retailer
-
£1,853 GBP
HK$19,400 HKD
A
Retailer 2
-
£1,934 GBP
₹246,805 INR
View
A
Retailer 3
-
£2,233 GBP
$2,992 USD
View
A
Retailer 4
-
£2,243 GBP
$3,005 USD
View
A
Retailer 5
-
£2,265 GBP
$3,035 USD
View
Final sale: no returns
A
Retailer 6
-
£2,426 GBP
View
B+
Retailer 7
-
£2,454 GBP
$3,288 USD
View
B+
Retailer 8
-
£2,454 GBP
$3,288 USD
View
B+
Retailer 9
-
£2,548 GBP
$3,414 USD
View
B+
Retailer 10
-
£2,561 GBP
$3,432 USD
View
B+
Retailer 11
-
£2,564 GBP
View
B+
Retailer 12
-
£2,572 GBP
SGD 4,657 SGD
View
B+
Retailer 13
-
£2,832 GBP
$3,794 USD
View
B+
Retailer 14
-
£2,873 GBP
€3,666 EUR
View
B
Retailer 15
-
£4,024 GBP
View
B
Retailer 16
-
£4,103 GBP
View
Most Expensive
B
NZ Jewellers
d58cc53d-a160-4ee3-83f4-d5817826fe7d · Oct 30
£4,275 GBP
$5,728 USD
View
16 more retailers have this diamond
Prices start from £1,853 GBPSave up to £2,422 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
£1,853 GBP