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Round|Natural|GIA

1.51ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 7553318635

Certificate GIA 7553318635

Diamond specifications and retailer prices

From £3,999 GBP
$5,367 USD
As of November 1, 2026
Save £4,711 GBP (54%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £8,711 GBP at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7553318635. Listed at 20 retailers as of November 1, 2026, with prices from £3,999 to £8,711, a £4,711 spread on the same certified stone. NZ Jewellers lists it at £8,711. 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

1.51
Carat
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 7553318635
Dimensions7.27 × 7.31 × 4.57 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.27 mm7.31 mm1.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7553318635
Side View
Table 57.0%Crown 36.5°Girdle: THN-STKPavilion 40.8°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: Nov 1
Current: £8,711 GBP|Low: £3,432 GBP|High: £8,711 GBP|Avg: £5,113 GBP
NZ Jewellers
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 2, 2026
Retailer 12£3,834 GBP
Retailer 4£3,999 GBP
Retailer 6£4,115 GBP
Retailer 18£4,119 GBP
Retailer 8£4,170 GBP
Retailer 5£4,355 GBP
Retailer 10£4,648 GBP
Retailer 2£4,719 GBP
Retailer 20£4,805 GBP
Retailer 9£4,919 GBP
Retailer 15£4,961 GBP
Retailer 19£5,246 GBP
Retailer 21£5,246 GBP
Retailer 3£5,425 GBP
Retailer 14£5,436 GBP
Retailer 13£5,529 GBP
Retailer 17£5,570 GBP
Retailer 11£5,740 GBP
Retailer 7£7,550 GBP
Retailer 16£7,673 GBP
NZ Jewellers£8,711 GBP

30 data points across 21 retailers

20 retailers£3,999 GBP to £8,711 GBP

A
Cheapest Retailer
-
£3,999 GBP
$5,367 USD
A
Retailer 2
-
£4,115 GBP
$5,522 USD
View
A
Retailer 3
-
£4,119 GBP
$5,527 USD
View
A
Retailer 4
-
£4,170 GBP
$5,596 USD
View
A
Retailer 5
-
£4,355 GBP
$5,844 USD
View
Final sale: no returns
A
Retailer 6
-
£4,648 GBP
$6,238 USD
View
A
Retailer 7
-
£4,719 GBP
$6,332 USD
View
A
Retailer 8
-
£4,805 GBP
$6,448 USD
View
B+
Retailer 9
-
£4,855 GBP
$6,515 USD
View
B+
Retailer 10
-
£4,919 GBP
$6,602 USD
View
A
Retailer 11
-
£4,961 GBP
View
B+
Retailer 12
-
£5,246 GBP
$7,040 USD
View
B+
Retailer 13
-
£5,246 GBP
$7,040 USD
View
B+
Retailer 14
-
£5,425 GBP
$7,280 USD
View
B+
Retailer 15
-
£5,529 GBP
View
B+
Retailer 16
-
£5,570 GBP
€7,119 EUR
View
Retailer 17
-
£5,740 GBP
$7,703 USD
View
Price last confirmed 19 days ago
B
Retailer 18
-
£7,550 GBP
$10,132 USD
View
B
Retailer 19
-
£7,673 GBP
View
Most Expensive
NZ Jewellers
08651589-c7a7-4dc0-a3b8-920a5177512a · Nov 2
£8,711 GBP
$11,689 USD
View
19 more retailers have this diamond
Prices start from £3,999 GBPSave up to £4,711 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
1.51ct Round
£3,999 GBP