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Marquise|Natural|GIA

1.01ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 1558630000

Certificate GIA 1558630000

Diamond specifications and retailer prices

From £2,165 GBP
HK$22,700 HKD
As of November 1, 2026
Save £2,833 GBP (57%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £4,998 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1558630000. Listed at 12 retailers as of October 30, 2026, with prices from £2,165 to £4,998, a £2,833 spread on the same certified stone. NZ Jewellers lists it at £4,998. 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
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1558630000
Dimensions10.45 × 5.15 × 3.28 mm
L/W Ratio2.03
Girdle conditionSlightly Thick to Very Thick
Key to symbols
Crystal, Feather, Cloud, Cavity
Top View
10.45 mm5.15 mm1.01 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1558630000
Side View
Table 61.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 63.6%

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: £4,998 GBP|Low: £2,146 GBP|High: £5,364 GBP|Avg: £3,261 GBP|-6.8%
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 2, 2026
Retailer 8£2,165 GBP
Retailer 2£2,177 GBP
Retailer 12£2,303 GBP
Retailer 10£2,411 GBP
Retailer 11£2,568 GBP
Retailer 5£2,798 GBP
Retailer 6£2,869 GBP
Retailer 4£2,880 GBP
Retailer 3£3,027 GBP
Retailer 9£3,323 GBP
Retailer 7£4,798 GBP
NZ Jewellers£4,998 GBP

29 data points across 12 retailers

12 retailers£2,165 GBP to £4,998 GBP

A
Cheapest Retailer
-
£2,165 GBP
HK$22,700 HKD
A
Retailer 2
-
£2,177 GBP
₹278,242 INR
View
A
Retailer 3
-
£2,303 GBP
$3,090 USD
View
Final sale: no returns
A
Retailer 4
-
£2,411 GBP
A$4,977 AUD
View
A
Retailer 5
-
£2,568 GBP
$3,446 USD
View
B+
Retailer 6
-
£2,798 GBP
View
B+
Retailer 7
-
£2,869 GBP
$3,850 USD
View
B+
Retailer 8
-
£2,880 GBP
SGD 5,222 SGD
View
B+
Retailer 9
-
£3,027 GBP
$4,062 USD
View
B+
Retailer 10
-
£3,323 GBP
View
B
Retailer 11
-
£4,798 GBP
View
Most Expensive
B
NZ Jewellers
36786d34-0a86-46ad-9edb-cd1e975fa2fe · Oct 30
£4,998 GBP
$6,707 USD
View
11 more retailers have this diamond
Prices start from £2,165 GBPSave up to £2,833 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
£2,165 GBP