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0.75ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 1565680549

Certificate GIA 1565680549

Diamond specifications and retailer prices

From £1,001 GBP
As of November 4, 2026
Save £802 GBP (44%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,803 GBP at Helzberg Diamonds · As of November 6, 2026
View at Helzberg Diamonds

About this 0.75ct natural round diamond

This 0.75ct natural round sits in the just-under-one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1565680549. Listed at 15 retailers as of November 4, 2026, with prices from £1,001 to £1,803, a £802 spread on the same certified stone. Helzberg Diamonds lists it at £1,803. 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

0.75
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1565680549
Dimensions5.79 × 5.83 × 3.58 mm
L/W Ratio1.01
Culet sizeNone
Top View
5.79 mm5.83 mm0.75 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1565680549
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.7%

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 4
Current: £1,803 GBP|Low: £1,001 GBP|High: £1,803 GBP|Avg: £1,283 GBP
Helzberg Diamonds
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
November 6, 2026
Retailer 12£1,001 GBP
Retailer 10£1,003 GBP
Retailer 14£1,005 GBP
Retailer 13£1,023 GBP
Retailer 5£1,052 GBP
Retailer 7£1,095 GBP
Retailer 8£1,106 GBP
Retailer 15£1,222 GBP
Retailer 2£1,261 GBP
Retailer 11£1,343 GBP
Retailer 6£1,384 GBP
Retailer 9£1,434 GBP
Retailer 4£1,532 GBP
Retailer 3£1,620 GBP
Helzberg Diamonds£1,803 GBP

17 data points across 15 retailers

15 retailers£1,001 GBP to £1,803 GBP

A
Cheapest Retailer
-
£1,001 GBP
A
Retailer 2
-
£1,003 GBP
View
B+
Retailer 3
-
£1,005 GBP
View
B+
Retailer 4
-
£1,023 GBP
View
B+
Retailer 5
-
£1,052 GBP
View
B+
Retailer 6
-
£1,095 GBP
View
B+
Retailer 7
-
£1,106 GBP
View
B+
Retailer 8
-
£1,222 GBP
View
B+
Retailer 9
-
£1,261 GBP
View
B+
Retailer 10
-
£1,343 GBP
View
B+
Retailer 11
-
£1,384 GBP
View
B+
Retailer 12
-
£1,434 GBP
View
B
Retailer 13
-
£1,532 GBP
View
B
Retailer 14
-
£1,620 GBP
View
Most Expensive
B
Helzberg Diamonds
XZRHLMLMOGLKP · Nov 6
£1,803 GBP
$2,413 USD
View
14 more retailers have this diamond
Prices start from £1,001 GBPSave up to £802 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
0.75ct Round
£1,001 GBP