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Marquise|Natural|GIA

1.02ct D SI2 Marquise Natural Diamond

EX • D/SI2 • GIA 2556187146

Certificate GIA 2556187146

Diamond specifications and retailer prices

From £1,680 GBP
As of November 6, 2026
Save £2,848 GBP (63%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £4,528 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.02ct natural marquise diamond

This 1.02ct 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 2556187146. Listed at 14 retailers as of November 5, 2026, with prices from £1,680 to £4,528, a £2,848 spread on the same certified stone. NZ Jewellers lists it at £4,528. 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

1.02
Carat
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2556187146
Dimensions9.94 × 5.21 × 3.28 mm
L/W Ratio1.91
Top View
9.94 mm5.21 mm1.02 ctD / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2556187146
Side View
Table 56.0%CrownGirdle: MED-XTKPavilionCulet: NoneDepth 62.9%

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 6
Current: £4,528 GBP|Low: £1,664 GBP|High: £4,563 GBP|Avg: £2,448 GBP|-0.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 2£1,680 GBP
Retailer 9£1,683 GBP
Retailer 3£1,999 GBP
Retailer 4£2,107 GBP
Retailer 5£2,129 GBP
Retailer 8£2,166 GBP
Retailer 7£2,249 GBP
Retailer 11£2,331 GBP
Retailer 12£2,338 GBP
Retailer 10£2,499 GBP
Retailer 6£3,612 GBP
NZ Jewellers£4,528 GBP

32 data points across 12 retailers

14 retailers£1,680 GBP to £4,528 GBP

A
Cheapest Retailer
-
£1,680 GBP
A
Retailer 2
-
£1,683 GBP
View
A
Retailer 3
-
£1,999 GBP
View
Final sale: no returns
A
Retailer 4
-
£2,107 GBP
View
A
Retailer 5
-
£2,129 GBP
View
A
Retailer 6
-
£2,166 GBP
View
A
Retailer 7
-
£2,245 GBP
View
A
Retailer 8
-
£2,249 GBP
View
A
Retailer 9
-
£2,331 GBP
View
Retailer 10
-
£2,338 GBP
View
Price last confirmed 10 days ago
A
Retailer 11
-
£2,499 GBP
View
Retailer 12
-
£2,499 GBP
View
Price last confirmed 18 days ago
B+
Retailer 13
-
£3,612 GBP
View
Most Expensive
B
NZ Jewellers
f86ae034-a884-4a47-8956-da9941be0a0d · Nov 5
£4,528 GBP
$6,094 USD
View
13 more retailers have this diamond
Prices start from £1,680 GBPSave up to £2,848 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
1.02ct Marquise
£1,680 GBP