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1.32ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 1553909597

Certificate GIA 1553909597

Diamond specifications and retailer prices

From £1,897 GBP
$2,542 USD
As of October 31, 2026
Save £1,711 GBP (47%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £3,609 GBP at Helzberg Diamonds · As of October 31, 2026
View at Helzberg Diamonds

About this 1.32ct natural round diamond

This 1.32ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1553909597. Listed at 14 retailers as of October 31, 2026, with prices from £1,897 to £3,609, a £1,711 spread on the same certified stone. Helzberg Diamonds lists it at £3,609. 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

1.32
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle36°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1553909597
Dimensions6.96 × 7.00 × 4.37 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.96 mm7.00 mm1.32 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1553909597
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.7%

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: Oct 31
Current: £3,609 GBP|Low: £1,897 GBP|High: £3,812 GBP|Avg: £2,541 GBP|-5.3%
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
November 1, 2026
Retailer 11£1,897 GBP
Retailer 12£1,932 GBP
Retailer 10£2,023 GBP
Retailer 8£2,064 GBP
Retailer 7£2,221 GBP
Retailer 5£2,285 GBP
Retailer 14£2,314 GBP
Retailer 13£2,450 GBP
Retailer 4£2,524 GBP
Retailer 2£2,526 GBP
Retailer 9£2,626 GBP
Retailer 6£3,199 GBP
Retailer 3£3,438 GBP
Helzberg Diamonds£3,609 GBP

34 data points across 14 retailers

14 retailers£1,897 GBP to £3,609 GBP

A
Cheapest Retailer
-
£1,897 GBP
$2,542 USD
A
Retailer 2
-
£1,932 GBP
SGD 3,499 SGD
View
A
Retailer 3
-
£2,023 GBP
$2,710 USD
View
A
Retailer 4
-
£2,064 GBP
$2,765 USD
View
A
Retailer 5
-
£2,221 GBP
View
A
Retailer 6
-
£2,285 GBP
SGD 4,138 SGD
View
A
Retailer 7
-
£2,314 GBP
$3,100 USD
View
A
Retailer 8
-
£2,450 GBP
$3,283 USD
View
A
Retailer 9
-
£2,524 GBP
$3,382 USD
View
A
Retailer 10
-
£2,526 GBP
€3,223 EUR
View
A
Retailer 11
-
£2,626 GBP
View
B+
Retailer 12
-
£3,199 GBP
$4,286 USD
View
B+
Retailer 13
-
£3,438 GBP
$4,606 USD
View
Most Expensive
B+
Helzberg Diamonds
XZRHLLJPGPLPN · Oct 31
£3,609 GBP
$4,835 USD
View
13 more retailers have this diamond
Prices start from £1,897 GBPSave up to £1,711 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
1.32ct Round
£1,897 GBP