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Round|Natural|GIA

1.51ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 7496110955

Certificate GIA 7496110955

Diamond specifications and retailer prices

From £3,401 GBP
HK$35,600 HKD
As of October 30, 2026
Save £3,392 GBP (50%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £7,924 GBP at NZ Jewellers · As of September 28, 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7496110955. Listed at 15 retailers as of October 29, 2026, with a 100% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceVery Strong
Crown angle32°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 7496110955
Dimensions7.42 × 7.39 × 4.48 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Girdle conditionFaceted
Top View
7.42 mm7.39 mm1.51 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceVery Strong
CertificateGIA 7496110955
Side View
Table 59.0%Crown 32°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 60.6%

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 30
Current: £4,371 GBP|Low: £3,345 GBP|High: £7,063 GBP|Avg: £4,502 GBP|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 11£3,401 GBP
Retailer 12£3,523 GBP
Retailer 9£3,623 GBP
Retailer 2£3,639 GBP
Retailer 8£3,835 GBP
Retailer 13£4,097 GBP
Retailer 4£4,182 GBP
Retailer 1£4,371 GBP
Retailer 6£4,736 GBP
Retailer 3£5,091 GBP
Retailer 10£5,249 GBP
Retailer 5£5,720 GBP
Retailer 7£6,793 GBP

26 data points across 13 retailers

15 retailers£3,401 GBP to £6,793 GBP

A
Cheapest Retailer
-
£3,401 GBP
HK$35,600 HKD
A
Retailer 2
-
£3,523 GBP
$4,720 USD
View
A
Retailer 3
-
£3,623 GBP
$4,855 USD
View
A
Retailer 4
-
£3,639 GBP
$4,876 USD
View
A
Retailer 5
-
£3,835 GBP
$5,139 USD
View
Final sale: no returns
A
Retailer 6
-
£4,097 GBP
$5,490 USD
View
Retailer 7
-
£4,182 GBP
$5,604 USD
View
Price last confirmed 30 days ago
Retailer 8
-
£4,182 GBP
$5,604 USD
View
Price last confirmed 31 days ago
A
Retailer 9
-
£4,371 GBP
View
A
Retailer 10
-
£4,736 GBP
€6,044 EUR
View
Retailer 11
-
£4,952 GBP
$6,635 USD
View
Price last confirmed 31 days ago
Retailer 12
-
£5,091 GBP
$6,821 USD
View
Price last confirmed 8 days ago
A
Retailer 13
-
£5,249 GBP
$7,033 USD
View
B+
Retailer 14
-
£6,793 GBP
View
Most Expensive
NZ Jewellers
475f882d-e8cc-4878-bdd1-c9f800fcf2c3 · Sep 28
£7,924 GBP
$10,617 USD
View
Price last confirmed 33 days ago
14 more retailers have this diamond
Prices start from £3,401 GBPSave up to £3,392 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
£3,401 GBP