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Round|Natural|GIA

1.15ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 6562369649

Certificate GIA 6562369649

Diamond specifications and retailer prices

From £1,631 GBP
$2,185 USD
As of October 30, 2026
Save £224 GBP (12%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £1,855 GBP at Michael Trio · As of November 1, 2026
View at Michael Trio

About this 1.15ct natural round diamond

This 1.15ct natural round sits in the classic one-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6562369649. Listed at 4 retailers as of October 30, 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

1.15
Carat
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6562369649
Dimensions6.63 × 6.68 × 4.18 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Feather, Indented Natural
Top View
6.63 mm6.68 mm1.15 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6562369649
Side View
Table 56.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.8%

Caratlytics Score

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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: Oct 30
Current: £1,855 GBP|Low: £1,567 GBP|High: £1,873 GBP|Avg: £1,708 GBP|-1.0%
Michael Trio
Retailer 2
Retailer 3
Retailer 4
November 1, 2026
Retailer 3£1,567 GBP
Retailer 4£1,631 GBP
Retailer 2£1,745 GBP
Michael Trio£1,855 GBP

30 data points across 4 retailers

4 retailers£1,631 GBP to £1,855 GBP

Retailer 1
-
£1,567 GBP
$2,100 USD
Price last confirmed 7 days ago
A
Retailer 2
-
£1,631 GBP
$2,185 USD
View
A
Retailer 3
-
£1,745 GBP
View
Most Expensive
A
Michael Trio
2080021702 · Nov 1
£1,855 GBP
SGD 3,358 SGD
View
3 more retailers have this diamond
Prices start from £1,631 GBPSave up to £224 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
1.15ct Round
£1,631 GBP