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Marquise|Natural|GIA

1.02ct H SI2 Marquise Natural Diamond

EX • H/SI2 • GIA 5553250320

Certificate GIA 5553250320

Diamond specifications and retailer prices

From £1,400 GBP
As of November 6, 2026
Save £2,527 GBP (64%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £3,927 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5553250320. Listed at 15 retailers as of November 5, 2026, with prices from £1,400 to £3,927, a £2,527 spread on the same certified stone. NZ Jewellers lists it at £3,927. 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
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5553250320
Dimensions9.83 × 5.14 × 3.23 mm
L/W Ratio1.91
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Needle, Natural
Top View
9.83 mm5.14 mm1.02 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5553250320
Side View
Table 57.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 62.8%

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: £3,927 GBP|Low: £1,400 GBP|High: £3,927 GBP|Avg: £2,103 GBP|+0.6%
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
November 6, 2026
Retailer 2£1,400 GBP
Retailer 6£1,619 GBP
Retailer 11£1,697 GBP
Retailer 13£1,733 GBP
Retailer 4£1,846 GBP
Retailer 7£1,847 GBP
Retailer 10£1,878 GBP
Retailer 14£1,965 GBP
Retailer 9£1,975 GBP
Retailer 8£1,983 GBP
Retailer 5£2,130 GBP
Retailer 3£2,295 GBP
Retailer 12£3,226 GBP
NZ Jewellers£3,927 GBP

22 data points across 14 retailers

15 retailers£1,400 GBP to £3,927 GBP

A
Cheapest Retailer
-
£1,400 GBP
A
Retailer 2
-
£1,619 GBP
View
A
Retailer 3
-
£1,697 GBP
View
A
Retailer 4
-
£1,727 GBP
View
A
Retailer 5
-
£1,733 GBP
View
Final sale: no returns
Retailer 6
-
£1,846 GBP
View
Price last confirmed 8 days ago
A
Retailer 7
-
£1,847 GBP
View
A
Retailer 8
-
£1,878 GBP
View
B+
Retailer 9
-
£1,965 GBP
View
A
Retailer 10
-
£1,975 GBP
View
A
Retailer 11
-
£1,983 GBP
View
B+
Retailer 12
-
£2,130 GBP
View
B+
Retailer 13
-
£2,295 GBP
View
B
Retailer 14
-
£3,226 GBP
View
Most Expensive
B
NZ Jewellers
77b2b4cc-f276-486c-92aa-e547db73cc34 · Nov 5
£3,927 GBP
$5,256 USD
View
14 more retailers have this diamond
Prices start from £1,400 GBPSave up to £2,527 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
£1,400 GBP