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Round|Natural|GIA

1.60ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 2567054822

Certificate GIA 2567054822

Diamond specifications and retailer prices

From £2,518 GBP
As of November 4, 2026
Save £350 GBP (12%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £2,868 GBP at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

About this 1.6ct natural round diamond

This 1.6ct natural round sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2567054822. Listed at 4 retailers as of November 4, 2026, with a relatively tight 14% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2567054822
Dimensions7.41 × 7.47 × 4.64 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Twinning Wisp, Indented Natural
Top View
7.41 mm7.47 mm1.60 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2567054822
Side View
Table 56.0%Crown 35.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.4%

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 4
Current: £2,868 GBP|Low: £2,219 GBP|High: £2,969 GBP|Avg: £2,732 GBP|-1.5%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 3£2,518 GBP
Retailer 2£2,708 GBP
Retailer 4£2,865 GBP
77 Diamonds£2,868 GBP

36 data points across 4 retailers

4 retailers£2,518 GBP to £2,868 GBP

A
Cheapest Retailer
-
£2,518 GBP
Final sale: no returns
B+
Retailer 2
-
£2,708 GBP
View
B+
Retailer 3
-
£2,865 GBP
View
Most Expensive
B+
77 Diamonds
RBCPQFQGCEJR · Nov 6
£2,868 GBP
View
3 more retailers have this diamond
Prices start from £2,518 GBPSave up to £350 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 Round
£2,518 GBP