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Oval|Natural|GIA

1.60ct M SI1 Oval Natural Diamond

EX • M/SI1 • GIA 2457468783

Certificate GIA 2457468783

Diamond specifications and retailer prices

From £1,576 GBP
As of November 6, 2026
Save £1,733 GBP (52%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £3,309 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.6ct natural oval diamond

This 1.6ct natural oval sits in the one-and-a-half to two carat band, graded M colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2457468783. Listed at 9 retailers as of November 5, 2026, with prices from £1,576 to £3,309, a £1,733 spread on the same certified stone. NZ Jewellers lists it at £3,309. 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

1.60
Carat
M
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2457468783
Dimensions9.65 × 6.42 × 4.01 mm
L/W Ratio1.50
Top View
9.65 mm6.42 mm1.60 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2457468783
Side View
Table 56.0%CrownGirdlePavilionCulet: NoneDepth 62.5%

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: £3,309 GBP|Low: £1,576 GBP|High: £3,309 GBP|Avg: £1,918 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 2£1,576 GBP
Retailer 5£1,582 GBP
Retailer 7£1,582 GBP
Retailer 9£1,599 GBP
Retailer 8£1,656 GBP
Retailer 6£1,826 GBP
Retailer 3£1,931 GBP
Retailer 4£2,161 GBP
NZ Jewellers£3,309 GBP

43 data points across 9 retailers

9 retailers£1,576 GBP to £3,309 GBP

A
Cheapest Retailer
-
£1,576 GBP
Retailer 2
-
£1,582 GBP
View
Price last confirmed 8 days ago
A
Retailer 3
-
£1,582 GBP
View
A
Retailer 4
-
£1,599 GBP
View
A
Retailer 5
-
£1,656 GBP
View
B+
Retailer 6
-
£1,826 GBP
View
B+
Retailer 7
-
£1,931 GBP
View
B+
Retailer 8
-
£2,161 GBP
View
Most Expensive
B
NZ Jewellers
e70e382b-0bf1-44f5-9569-1459ecae452c · Nov 5
£3,309 GBP
$4,429 USD
View
8 more retailers have this diamond
Prices start from £1,576 GBPSave up to £1,733 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
1.60ct Oval
£1,576 GBP