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Marquise|Natural|GIA

1.01ct I SI2 Marquise Natural Diamond

EX • I/SI2 • GIA 6555305550

Certificate GIA 6555305550

Diamond specifications and retailer prices

From £1,732 GBP
$2,324 USD
As of November 2, 2026
Save £2,807 GBP (62%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £4,539 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.01ct natural marquise diamond

This 1.01ct natural marquise sits in the classic one-carat band, graded I 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 6555305550. Listed at 17 retailers as of October 30, 2026, with prices from £1,732 to £4,539, a £2,807 spread on the same certified stone. NZ Jewellers lists it at £4,539. 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

1.01
Carat
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6555305550
Dimensions9.89 × 5.09 × 3.27 mm
L/W Ratio1.94
Top View
9.89 mm5.09 mm1.01 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6555305550
Side View
Table 61.0%CrownGirdle: ThickPavilionCulet: NoneDepth 64.1%

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 2
Current: £4,539 GBP|Low: £1,627 GBP|High: £4,539 GBP|Avg: £2,364 GBP|+1.4%
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 2, 2026
Retailer 5£1,732 GBP
Retailer 17£1,778 GBP
Retailer 12£1,788 GBP
Retailer 16£1,815 GBP
Retailer 15£1,967 GBP
Retailer 14£2,043 GBP
Retailer 2£2,146 GBP
Retailer 4£2,154 GBP
Retailer 7£2,154 GBP
Retailer 9£2,172 GBP
Retailer 3£2,265 GBP
Retailer 6£2,265 GBP
Retailer 13£2,269 GBP
Retailer 10£2,324 GBP
Retailer 8£2,347 GBP
Retailer 11£3,630 GBP
NZ Jewellers£4,539 GBP

41 data points across 17 retailers

17 retailers£1,732 GBP to £4,539 GBP

A
Cheapest Retailer
-
£1,732 GBP
$2,324 USD
A
Retailer 2
-
£1,778 GBP
$2,386 USD
View
A
Retailer 3
-
£1,788 GBP
$2,400 USD
View
B+
Retailer 4
-
£1,815 GBP
$2,436 USD
View
Final sale: no returns
B+
Retailer 5
-
£1,967 GBP
$2,639 USD
View
B+
Retailer 6
-
£2,043 GBP
$2,741 USD
View
B+
Retailer 7
-
£2,146 GBP
View
B+
Retailer 8
-
£2,154 GBP
$2,890 USD
View
B+
Retailer 9
-
£2,154 GBP
$2,891 USD
View
B+
Retailer 10
-
£2,172 GBP
CA$4,047 CAD
View
B+
Retailer 11
-
£2,265 GBP
$3,040 USD
View
B+
Retailer 12
-
£2,265 GBP
$3,040 USD
View
B+
Retailer 13
-
£2,269 GBP
$3,045 USD
View
B+
Retailer 14
-
£2,324 GBP
View
B+
Retailer 15
-
£2,347 GBP
$3,150 USD
View
B
Retailer 16
-
£3,630 GBP
View
Most Expensive
B
NZ Jewellers
e31ebc5e-fa1a-40d1-af93-e6a908093a67 · Oct 30
£4,539 GBP
$6,091 USD
View
16 more retailers have this diamond
Prices start from £1,732 GBPSave up to £2,807 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
1.01ct Marquise
£1,732 GBP