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Round|Natural|GIA

0.65ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 1559795003

Certificate GIA 1559795003

Diamond specifications and retailer prices

From £388 GBP
₹49,554 INR
As of October 28, 2026
Save £715 GBP (65%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £1,103 GBP at B2C Jewels · As of October 31, 2026
View at B2C Jewels

About this 0.65ct natural round diamond

This 0.65ct natural round sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1559795003. Listed at 7 retailers as of October 28, 2026, with prices from £388 to £1,103, a £715 spread on the same certified stone. B2C Jewels lists it at £1,103. 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

0.65
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1559795003
Dimensions5.53 × 5.57 × 3.48 mm
L/W Ratio1.01
Culet sizeNone
Top View
5.53 mm5.57 mm0.65 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1559795003
Side View
Table 56.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.6%

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: Oct 28
Current: £1,103 GBP|Low: £386 GBP|High: £1,103 GBP|Avg: £629 GBP
B2C Jewels
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 5£388 GBP
Retailer 7£470 GBP
Retailer 6£602 GBP
Retailer 4£699 GBP
Retailer 2£774 GBP
Retailer 3£779 GBP
B2C Jewels£1,103 GBP

40 data points across 7 retailers

7 retailers£388 GBP to £1,103 GBP

A
Cheapest Retailer
-
£388 GBP
₹49,554 INR
A
Retailer 2
-
£470 GBP
$630 USD
View
A
Retailer 3
-
£602 GBP
$806 USD
View
B+
Retailer 4
-
£699 GBP
€892 EUR
View
B+
Retailer 5
-
£774 GBP
View
B+
Retailer 6
-
£779 GBP
ZAR 16,854 ZAR
View
Most Expensive
B
B2C Jewels
37450322 · Oct 31
£1,103 GBP
$1,478 USD
View
6 more retailers have this diamond
Prices start from £388 GBPSave up to £715 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
0.65ct Round
£388 GBP