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Round|Natural|GIA

1.56ct F I1 Round Natural Diamond

VG • F/I1 • GIA 1273144645

Certificate GIA 1273144645

Diamond specifications and retailer prices

From £3,100 GBP
HK$32,500 HKD
As of November 1, 2026
Save £3,289 GBP (51%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £6,389 GBP at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 1.56ct natural round diamond

This 1.56ct natural round sits in the one-and-a-half to two carat band, graded F colour (colourless) and I1 clarity (included), with a very-good cut grade and certified by GIA 1273144645. Listed at 8 retailers as of November 1, 2026, with prices from £3,100 to £6,389, a £3,289 spread on the same certified stone. NZ Jewellers lists it at £6,389. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.56
Carat
F
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 1273144645
Dimensions7.29 × 7.20 × 4.61 mm
L/W Ratio1.01
Key to symbols
Twinning Wisp, Feather, Crystal, Needle
Top View
7.29 mm7.20 mm1.56 ctF / I1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 1273144645
Side View
Table 60.0%CrownGirdlePavilionCulet: NoneDepth 63.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £6,389 GBP|Low: £2,651 GBP|High: £6,511 GBP|Avg: £3,966 GBP|-1.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 3£2,651 GBP
Retailer 4£3,100 GBP
Retailer 9£3,332 GBP
Retailer 11£3,500 GBP
Retailer 5£3,820 GBP
Retailer 6£3,820 GBP
Retailer 7£3,820 GBP
Retailer 2£4,304 GBP
Retailer 8£4,408 GBP
Retailer 10£4,548 GBP
NZ Jewellers£6,389 GBP

15 data points across 11 retailers

8 retailers£3,100 GBP to £6,389 GBP

B+
Cheapest Retailer
-
£3,100 GBP
HK$32,500 HKD
B+
Retailer 2
-
£3,332 GBP
$4,471 USD
View
B
Retailer 3
-
£3,820 GBP
$5,126 USD
View
B
Retailer 4
-
£3,820 GBP
$5,126 USD
View
B+
Retailer 5
-
£3,820 GBP
$5,126 USD
View
B
Retailer 6
-
£4,304 GBP
€5,501 EUR
View
B
Retailer 7
-
£4,408 GBP
$5,915 USD
View
Most Expensive
C
NZ Jewellers
44c8cd71-3534-4019-80f8-1510a4602387 · Nov 2
£6,389 GBP
$8,573 USD
View
7 more retailers have this diamond
Prices start from £3,100 GBPSave up to £3,289 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.

B+
1.56ct Round
£3,100 GBP