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Round|Natural|GIA

1.13ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 7551687290

Certificate GIA 7551687290

Diamond specifications and retailer prices

From £1,186 GBP
As of November 5, 2026
Save £228 GBP (16%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,963 GBP at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

About this 1.13ct natural round diamond

This 1.13ct natural round sits in the classic one-carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7551687290. Listed at 11 retailers as of November 5, 2026, with a relatively tight 19% 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

1.13
Carat
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7551687290
Dimensions6.62 × 6.65 × 4.16 mm
L/W Ratio1.00
Culet sizeNone
Top View
6.62 mm6.65 mm1.13 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7551687290
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.7%

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: £1,186 GBP|Low: £1,180 GBP|High: £2,030 GBP|Avg: £1,468 GBP|-2.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Wholesale Diamonds Direct
November 5, 2026
Retailer 1£1,186 GBP
Retailer 6£1,202 GBP
Retailer 4£1,203 GBP
Retailer 9£1,310 GBP
Retailer 3£1,332 GBP
Retailer 7£1,447 GBP
Retailer 5£1,561 GBP
Retailer 8£1,589 GBP
Retailer 2£1,687 GBP
Wholesale Diamonds Direct£1,963 GBP

36 data points across 10 retailers

11 retailers£1,186 GBP to £1,414 GBP

A
Cheapest Retailer
-
£1,186 GBP
Retailer 2
-
£1,202 GBP
View
Price last confirmed 9 days ago
Retailer 3
-
£1,203 GBP
View
Price last confirmed 13 days ago
Retailer 4
-
£1,253 GBP
View
Price last confirmed 9 days ago
Retailer 5
-
£1,310 GBP
View
Price last confirmed 8 days ago
Retailer 6
-
£1,332 GBP
View
Price last confirmed 9 days ago
B+
Retailer 7
-
£1,414 GBP
View
Retailer 8
-
£1,447 GBP
View
Price last confirmed 10 days ago
Retailer 9
-
£1,561 GBP
View
Price last confirmed 9 days ago
Retailer 10
-
£1,687 GBP
View
Price last confirmed 9 days ago
Most Expensive
Wholesale Diamonds Direct
530163820 · Oct 26
£1,963 GBP
$2,643 USD
View
Price last confirmed 10 days ago
10 more retailers have this diamond
Prices start from £1,186 GBPSave up to £228 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
1.13ct Round
£1,186 GBP