CaratHunter
Plans
Oval|Natural|GIA

1.60ct M SI1 Oval Natural Diamond

ID • M/SI1 • GIA 6365697478

Certificate GIA 6365697478

Diamond specifications and retailer prices

From £2,643 GBP
As of November 6, 2026
Save £2,663 GBP (50%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £5,307 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 6365697478. Listed at 12 retailers as of November 5, 2026, with prices from £2,643 to £5,307, a £2,663 spread on the same certified stone. NZ Jewellers lists it at £5,307. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6365697478
Dimensions8.83 × 6.56 × 4.13 mm
L/W Ratio1.35
Top View
8.83 mm6.56 mm1.60 ctM / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6365697478
Side View
Table 59.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 62.9%

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 6
Current: £5,307 GBP|Low: £1,992 GBP|High: £5,307 GBP|Avg: £3,208 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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 6, 2026
Retailer 9£1,992 GBP
Retailer 8£2,338 GBP
Retailer 17£2,643 GBP
Retailer 3£2,681 GBP
Retailer 14£2,738 GBP
Retailer 6£2,903 GBP
Retailer 11£3,015 GBP
Retailer 12£3,046 GBP
Retailer 13£3,046 GBP
Retailer 15£3,046 GBP
Retailer 7£3,059 GBP
Retailer 5£3,156 GBP
Retailer 2£3,426 GBP
Retailer 16£3,514 GBP
Retailer 10£3,718 GBP
Retailer 4£4,920 GBP
NZ Jewellers£5,307 GBP

29 data points across 17 retailers

12 retailers£2,643 GBP to £5,307 GBP

B+
Cheapest Retailer
-
£2,643 GBP
B
Retailer 2
-
£2,681 GBP
View
B
Retailer 3
-
£2,738 GBP
View
B+
Retailer 4
-
£2,903 GBP
View
Retailer 5
-
£3,046 GBP
View
Price last confirmed 8 days ago
B
Retailer 6
-
£3,046 GBP
View
B
Retailer 7
-
£3,046 GBP
View
B
Retailer 8
-
£3,156 GBP
View
B
Retailer 9
-
£3,426 GBP
View
B
Retailer 10
-
£3,514 GBP
View
B
Retailer 11
-
£3,718 GBP
View
Most Expensive
C
NZ Jewellers
ced85380-1512-4c70-9285-1146553dafe1 · Nov 5
£5,307 GBP
$7,103 USD
View
11 more retailers have this diamond
Prices start from £2,643 GBPSave up to £2,663 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+
1.60ct Oval
£2,643 GBP