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Round|Natural|GIA

1.51ct G SI2 Round Natural Diamond

VG • G/SI2 • GIA 2566054835

Certificate GIA 2566054835

Diamond specifications and retailer prices

From £3,219 GBP
HK$33,700 HKD
As of October 31, 2026
Save £3,826 GBP (54%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £7,045 GBP at NZ Jewellers · As of October 27, 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 G colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 2566054835. Listed at 14 retailers as of October 27, 2026, with prices from £3,219 to £7,045, a £3,826 spread on the same certified stone. NZ Jewellers lists it at £7,045. 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

1.51
Carat
G
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38°
Pavilion angle40.4°
OriginNatural
Grading LabGIA
CertificateGIA 2566054835
Dimensions7.10 × 7.19 × 4.60 mm
L/W Ratio1.01
Top View
7.10 mm7.19 mm1.51 ctG / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2566054835
Side View
Table 58.0%Crown 38°Girdle: MED-THKPavilion 40.4°Culet: NoneDepth 64.4%

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: £7,045 GBP|Low: £3,191 GBP|High: £7,123 GBP|Avg: £4,677 GBP|-1.1%
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
November 1, 2026
Retailer 7£3,219 GBP
Retailer 6£3,290 GBP
Retailer 4£3,673 GBP
Retailer 2£4,083 GBP
Retailer 5£4,145 GBP
Retailer 3£4,212 GBP
Retailer 10£4,212 GBP
Retailer 13£4,328 GBP
Retailer 8£4,767 GBP
Retailer 12£4,860 GBP
Retailer 11£6,289 GBP
Retailer 9£6,718 GBP
NZ Jewellers£7,045 GBP

34 data points across 13 retailers

14 retailers£3,219 GBP to £7,045 GBP

A
Cheapest Retailer
-
£3,219 GBP
HK$33,700 HKD
A
Retailer 2
-
£3,290 GBP
₹419,820 INR
View
A
Retailer 3
-
£3,673 GBP
$4,922 USD
View
A
Retailer 4
-
£4,083 GBP
View
Retailer 5
-
£4,145 GBP
SGD 7,505 SGD
View
Price last confirmed 18 days ago
A
Retailer 6
-
£4,212 GBP
$5,644 USD
View
A
Retailer 7
-
£4,212 GBP
$5,644 USD
View
Retailer 8
-
£4,259 GBP
$5,707 USD
View
Price last confirmed 20 days ago
B+
Retailer 9
-
£4,328 GBP
$5,799 USD
View
B+
Retailer 10
-
£4,767 GBP
€6,083 EUR
View
B+
Retailer 11
-
£4,860 GBP
$6,512 USD
View
B
Retailer 12
-
£6,289 GBP
$8,426 USD
View
B
Retailer 13
-
£6,718 GBP
View
Most Expensive
B
NZ Jewellers
78394b5f-aa35-4bb9-8ee6-fc903bd4e44c · Oct 27
£7,045 GBP
$9,440 USD
View
13 more retailers have this diamond
Prices start from £3,219 GBPSave up to £3,826 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
£3,219 GBP