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Marquise|Natural|GIA

1.30ct F SI1 Marquise Natural Diamond

ID • F/SI1 • GIA 6561165508

Certificate GIA 6561165508

Diamond specifications and retailer prices

From £4,192 GBP
As of November 5, 2026
Save £4,596 GBP (52%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £8,788 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.3ct natural marquise diamond

This 1.3ct natural marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded F 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 6561165508. Listed at 8 retailers as of November 5, 2026, with prices from £4,192 to £8,788, a £4,596 spread on the same certified stone. NZ Jewellers lists it at £8,788. 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

1.30
Carat
F
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6561165508
Dimensions10.43 × 5.62 × 3.59 mm
L/W Ratio1.86
Girdle conditionFaceted
Top View
10.43 mm5.62 mm1.30 ctF / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6561165508
Side View
Table 58.0%CrownGirdle: STK-THKPavilionCuletDepth 64.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £8,788 GBP|Low: £4,192 GBP|High: £8,788 GBP|Avg: £5,375 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 8£4,192 GBP
Retailer 7£4,441 GBP
Retailer 4£4,761 GBP
Retailer 5£4,761 GBP
Retailer 2£5,098 GBP
Retailer 3£5,450 GBP
Retailer 6£5,493 GBP
NZ Jewellers£8,788 GBP

32 data points across 8 retailers

8 retailers£4,192 GBP to £8,788 GBP

A
Cheapest Retailer
-
£4,192 GBP
B+
Retailer 2
-
£4,441 GBP
View
B+
Retailer 3
-
£4,761 GBP
View
B+
Retailer 4
-
£4,761 GBP
View
B+
Retailer 5
-
£5,098 GBP
View
B+
Retailer 6
-
£5,450 GBP
View
B
Retailer 7
-
£5,493 GBP
View
Most Expensive
B
NZ Jewellers
34c77811-3577-48ce-892a-ff267deaa93c · Nov 5
£8,788 GBP
$11,763 USD
View
7 more retailers have this diamond
Prices start from £4,192 GBPSave up to £4,596 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
1.30ct Marquise
£4,192 GBP