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Oval|Natural|GIA

1.51ct M SI2 Oval Natural Diamond

EX • M/SI2 • GIA 7456640006

Certificate GIA 7456640006

Diamond specifications and retailer prices

From £2,025 GBP
As of November 5, 2026
Save £2,209 GBP (52%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £4,234 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.51ct natural oval diamond

This 1.51ct natural oval sits in the one-and-a-half to two carat band, graded M colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7456640006. Listed at 5 retailers as of November 5, 2026, with prices from £2,025 to £4,234, a £2,209 spread on the same certified stone. NZ Jewellers lists it at £4,234. 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
M
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7456640006
Dimensions9.98 × 6.32 × 3.75 mm
L/W Ratio1.58
Top View
9.98 mm6.32 mm1.51 ctM / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7456640006
Side View
TableCrownGirdlePavilionCulet: NoneDepth

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £4,234 GBP|Low: £1,401 GBP|High: £4,234 GBP|Avg: £2,228 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 8£1,401 GBP
Retailer 7£1,685 GBP
Retailer 6£2,017 GBP
Retailer 2£2,025 GBP
Retailer 4£2,025 GBP
Retailer 5£2,103 GBP
Retailer 3£2,336 GBP
NZ Jewellers£4,234 GBP

11 data points across 8 retailers

5 retailers£2,025 GBP to £4,234 GBP

Retailer 1
-
£2,025 GBP
Price last confirmed 8 days ago
B
Retailer 2
-
£2,025 GBP
View
B
Retailer 3
-
£2,103 GBP
View
B
Retailer 4
-
£2,336 GBP
View
Most Expensive
C
NZ Jewellers
8299655f-3498-4c41-b03b-b87971629266 · Nov 5
£4,234 GBP
$5,667 USD
View
4 more retailers have this diamond
Prices start from £2,025 GBPSave up to £2,209 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
1.51ct Oval
£2,025 GBP