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Marquise|Natural|GIA

1.30ct G SI2 Marquise Natural Diamond

EX • G/SI2 • GIA 2557345495

Certificate GIA 2557345495

Diamond specifications and retailer prices

From £4,179 GBP
As of November 5, 2026
Save £4,769 GBP (53%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £8,947 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 G 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 2557345495. Listed at 21 retailers as of November 5, 2026, with prices from £4,179 to £8,947, a £4,769 spread on the same certified stone. NZ Jewellers lists it at £8,947. 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
G
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishGood
SymmetryGood
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2557345495
Dimensions10.24 × 5.64 × 3.60 mm
L/W Ratio1.82
Girdle conditionThick to Extremely Thick
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Feather, Cavity, Indented Natural
Top View
10.24 mm5.64 mm1.30 ctG / SI2
OriginNatural
CutExcellent
PolishGood
SymmetryGood
FluorescenceFaint
CertificateGIA 2557345495
Side View
Table 57.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 63.7%

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: Nov 5
Current: £8,947 GBP|Low: £3,526 GBP|High: £8,947 GBP|Avg: £5,603 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
November 6, 2026
Retailer 5£4,114 GBP
Retailer 9£4,230 GBP
Retailer 10£4,473 GBP
Retailer 7£4,803 GBP
Retailer 11£4,847 GBP
Retailer 12£4,847 GBP
Retailer 13£4,847 GBP
Retailer 6£5,080 GBP
Retailer 2£5,496 GBP
Retailer 3£5,592 GBP
Retailer 8£7,435 GBP
Retailer 4£7,756 GBP
NZ Jewellers£8,947 GBP

42 data points across 13 retailers

21 retailers£4,179 GBP to £8,947 GBP

Retailer 1
-
£4,114 GBP
Price last confirmed 14 days ago
B+
Retailer 2
-
£4,179 GBP
View
B+
Retailer 3
-
£4,226 GBP
View
B+
Retailer 4
-
£4,230 GBP
View
B+
Retailer 5
-
£4,283 GBP
View
B+
Retailer 6
-
£4,473 GBP
View
Final sale: no returns
B+
Retailer 7
-
£4,772 GBP
View
B+
Retailer 8
-
£4,803 GBP
View
Retailer 9
-
£4,847 GBP
View
Price last confirmed 53 days ago
B+
Retailer 10
-
£4,847 GBP
View
B+
Retailer 11
-
£4,847 GBP
View
Retailer 12
-
£4,847 GBP
View
Price last confirmed 8 days ago
B+
Retailer 13
-
£4,947 GBP
View
B+
Retailer 14
-
£5,080 GBP
View
B
Retailer 15
-
£5,496 GBP
View
B
Retailer 16
-
£5,592 GBP
View
Retailer 17
-
£5,592 GBP
View
Price last confirmed 61 days ago
Retailer 18
-
£5,592 GBP
View
Price last confirmed 52 days ago
B
Retailer 19
-
£7,435 GBP
View
B
Retailer 20
-
£7,756 GBP
View
Most Expensive
C
NZ Jewellers
864877df-c0a7-4823-a0ff-2d5e4b72ed8f · Nov 5
£8,947 GBP
$11,976 USD
View
20 more retailers have this diamond
Prices start from £4,179 GBPSave up to £4,769 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+
1.30ct Marquise
£4,179 GBP