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Marquise|Natural|GIA

1.01ct J SI2 Marquise Natural Diamond

ID • J/SI2 • GIA 5543690161

Certificate GIA 5543690161

Diamond specifications and retailer prices

From £1,764 GBP
$2,363 USD
As of October 31, 2026
Save £2,243 GBP (56%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £4,007 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 J 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 5543690161. Listed at 21 retailers as of October 30, 2026, with prices from £1,764 to £4,007, a £2,243 spread on the same certified stone. NZ Jewellers lists it at £4,007. 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
J
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5543690161
Dimensions10.17 × 5.22 × 3.31 mm
L/W Ratio1.95
Top View
10.17 mm5.22 mm1.01 ctJ / SI2
OriginNatural
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 5543690161
Side View
Table 60.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 63.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £4,007 GBP|Low: £1,658 GBP|High: £4,007 GBP|Avg: £2,482 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
November 1, 2026
Retailer 13£1,805 GBP
Retailer 10£1,824 GBP
Retailer 7£2,084 GBP
Retailer 14£2,084 GBP
Retailer 5£2,108 GBP
Retailer 11£2,164 GBP
Retailer 12£2,255 GBP
Retailer 6£2,261 GBP
Retailer 8£2,403 GBP
Retailer 15£2,404 GBP
Retailer 3£2,670 GBP
Retailer 9£2,693 GBP
Retailer 4£2,737 GBP
Retailer 2£3,846 GBP
NZ Jewellers£4,007 GBP

40 data points across 15 retailers

21 retailers£1,764 GBP to £4,007 GBP

B+
Cheapest Retailer
-
£1,764 GBP
$2,363 USD
B+
Retailer 2
-
£1,805 GBP
$2,418 USD
View
B+
Retailer 3
-
£1,824 GBP
$2,444 USD
View
Final sale: no returns
B+
Retailer 4
-
£1,843 GBP
$2,469 USD
View
B+
Retailer 5
-
£2,084 GBP
$2,792 USD
View
B
Retailer 6
-
£2,108 GBP
$2,825 USD
View
B
Retailer 7
-
£2,128 GBP
CA$3,959 CAD
View
B
Retailer 8
-
£2,164 GBP
$2,899 USD
View
B
Retailer 9
-
£2,255 GBP
$3,022 USD
View
B
Retailer 10
-
£2,261 GBP
$3,030 USD
View
B
Retailer 11
-
£2,261 GBP
$3,030 USD
View
B
Retailer 12
-
£2,373 GBP
$3,180 USD
View
B
Retailer 13
-
£2,373 GBP
$3,180 USD
View
B
Retailer 14
-
£2,403 GBP
View
B
Retailer 15
-
£2,404 GBP
$3,221 USD
View
B
Retailer 16
-
£2,455 GBP
$3,290 USD
View
Retailer 17
-
£2,670 GBP
$3,577 USD
View
Price last confirmed 9 days ago
B
Retailer 18
-
£2,693 GBP
€3,436 EUR
View
B
Retailer 19
-
£2,699 GBP
$3,616 USD
View
B
Retailer 20
-
£3,846 GBP
View
Most Expensive
C
NZ Jewellers
5b2b7be6-c627-4533-b482-8fc02f56a25f · Oct 30
£4,007 GBP
$5,369 USD
View
20 more retailers have this diamond
Prices start from £1,764 GBPSave up to £2,243 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.

B+
1.01ct Marquise
£1,764 GBP