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Oval|Natural|GIA

1.51ct D SI2 Oval Natural Diamond

ID • D/SI2 • GIA 2566480922

Certificate GIA 2566480922

Diamond specifications and retailer prices

From £3,449 GBP
HK$36,100 HKD
As of October 30, 2026
Save £4,636 GBP (57%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £8,084 GBP at NZ Jewellers · As of October 30, 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2566480922. Listed at 16 retailers as of October 30, 2026, with prices from £3,449 to £8,084, a £4,636 spread on the same certified stone. NZ Jewellers lists it at £8,084. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2566480922
Dimensions8.99 × 6.42 × 4.00 mm
L/W Ratio1.40
Girdle conditionFaceted
Top View
8.99 mm6.42 mm1.51 ctD / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2566480922
Side View
Table 57.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 62.3%

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: £8,084 GBP|Low: £3,449 GBP|High: £8,469 GBP|Avg: £5,034 GBP|-4.5%
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
October 30, 2026
Retailer 15£3,449 GBP
Retailer 14£3,687 GBP
Retailer 5£3,906 GBP
Retailer 4£3,964 GBP
Retailer 3£4,212 GBP
Retailer 9£4,353 GBP
Retailer 16£4,419 GBP
Retailer 12£4,461 GBP
Retailer 8£4,539 GBP
Retailer 2£4,568 GBP
Retailer 6£4,896 GBP
Retailer 7£4,953 GBP
Retailer 11£5,273 GBP
Retailer 10£7,159 GBP
Retailer 13£7,267 GBP
NZ Jewellers£8,084 GBP

22 data points across 16 retailers

16 retailers£3,449 GBP to £8,084 GBP

A
Cheapest Retailer
-
£3,449 GBP
HK$36,100 HKD
Retailer 2
-
£3,687 GBP
$4,940 USD
View
Price last confirmed 12 days ago
A
Retailer 3
-
£3,906 GBP
$5,233 USD
View
A
Retailer 4
-
£3,964 GBP
SGD 7,178 SGD
View
A
Retailer 5
-
£4,212 GBP
$5,643 USD
View
A
Retailer 6
-
£4,353 GBP
View
A
Retailer 7
-
£4,419 GBP
$5,921 USD
View
A
Retailer 8
-
£4,461 GBP
$5,977 USD
View
Final sale: no returns
A
Retailer 9
-
£4,539 GBP
$6,082 USD
View
A
Retailer 10
-
£4,568 GBP
View
A
Retailer 11
-
£4,896 GBP
$6,560 USD
View
A
Retailer 12
-
£4,953 GBP
$6,636 USD
View
A
Retailer 13
-
£5,273 GBP
€6,729 EUR
View
B+
Retailer 14
-
£7,159 GBP
View
B+
Retailer 15
-
£7,267 GBP
$9,738 USD
View
Most Expensive
B+
NZ Jewellers
d3223609-8658-40b4-b82b-0672d643e44b · Oct 30
£8,084 GBP
$10,832 USD
View
15 more retailers have this diamond
Prices start from £3,449 GBPSave up to £4,636 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 Oval
£3,449 GBP