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Marquise|Natural|GIA

1.06ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 1565604948

Certificate GIA 1565604948

Diamond specifications and retailer prices

From £2,779 GBP
As of November 6, 2026
Save £3,006 GBP (52%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £5,785 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.06ct natural marquise diamond

This 1.06ct 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 1565604948. Listed at 8 retailers as of November 5, 2026, with prices from £2,779 to £5,785, a £3,006 spread on the same certified stone. NZ Jewellers lists it at £5,785. 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

1.06
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1565604948
Dimensions9.97 × 5.31 × 3.45 mm
L/W Ratio1.88
Key to symbols
Crystal, Feather, Needle
Top View
9.97 mm5.31 mm1.06 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1565604948
Side View
Table 65.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 64.9%

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: £5,785 GBP|Low: £2,667 GBP|High: £5,785 GBP|Avg: £3,948 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 2£3,065 GBP
Retailer 6£3,128 GBP
Retailer 3£3,221 GBP
Retailer 7£3,517 GBP
Retailer 4£3,617 GBP
Retailer 5£5,273 GBP
NZ Jewellers£5,785 GBP

22 data points across 7 retailers

8 retailers£2,779 GBP to £5,785 GBP

A
Cheapest Retailer
-
£2,779 GBP
B+
Retailer 2
-
£3,065 GBP
View
Final sale: no returns
B+
Retailer 3
-
£3,128 GBP
View
B+
Retailer 4
-
£3,221 GBP
View
B+
Retailer 5
-
£3,517 GBP
View
B+
Retailer 6
-
£3,617 GBP
View
B
Retailer 7
-
£5,273 GBP
View
Most Expensive
B
NZ Jewellers
5189bf78-20b5-43bb-852f-69a457f17920 · Nov 5
£5,785 GBP
$7,743 USD
View
7 more retailers have this diamond
Prices start from £2,779 GBPSave up to £3,006 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
1.06ct Marquise
£2,779 GBP