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Oval|Natural|GIA

1.51ct D SI1 Oval Natural Diamond

EX • D/SI1 • GIA 7522574211

Certificate GIA 7522574211

Diamond specifications and retailer prices

From £5,717 GBP
$7,660 USD
As of October 28, 2026
Save £6,714 GBP (54%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £12,431 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7522574211. Listed at 19 retailers as of October 28, 2026, with prices from £5,717 to £12,431, a £6,714 spread on the same certified stone. NZ Jewellers lists it at £12,431. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7522574211
Dimensions9.48 × 6.33 × 3.99 mm
L/W Ratio1.50
Culet sizeNone
Key to symbols
Crystal, Feather, Pinpoint
Top View
9.48 mm6.33 mm1.51 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7522574211
Side View
Table 61.0%CrownGirdle: ThickPavilionCulet: NoneDepth 63.1%

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 28
Current: £12,431 GBP|Low: £5,717 GBP|High: £12,431 GBP|Avg: £8,077 GBP|+11.9%
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
Retailer 17
Retailer 18
Retailer 19
October 31, 2026
Retailer 6£5,717 GBP
Retailer 17£5,820 GBP
Retailer 14£6,180 GBP
Retailer 5£6,215 GBP
Retailer 15£6,215 GBP
Retailer 4£6,733 GBP
Retailer 12£6,761 GBP
Retailer 18£6,837 GBP
Retailer 16£6,870 GBP
Retailer 8£7,428 GBP
Retailer 3£7,613 GBP
Retailer 9£7,613 GBP
Retailer 11£7,769 GBP
Retailer 10£7,866 GBP
Retailer 2£8,122 GBP
Retailer 7£8,289 GBP
Retailer 19£8,970 GBP
Retailer 13£10,414 GBP
NZ Jewellers£12,431 GBP

44 data points across 19 retailers

19 retailers£5,717 GBP to £12,431 GBP

A
Cheapest Retailer
-
£5,717 GBP
$7,660 USD
B+
Retailer 2
-
£5,820 GBP
$7,798 USD
View
B+
Retailer 3
-
£6,180 GBP
$8,280 USD
View
B+
Retailer 4
-
£6,215 GBP
$8,328 USD
View
B+
Retailer 5
-
£6,215 GBP
$8,328 USD
View
Final sale: no returns
B+
Retailer 6
-
£6,733 GBP
$9,022 USD
View
B+
Retailer 7
-
£6,761 GBP
View
B+
Retailer 8
-
£6,837 GBP
$9,161 USD
View
Retailer 9
-
£6,870 GBP
A$14,162 AUD
View
Price last confirmed 8 days ago
B
Retailer 10
-
£7,428 GBP
$9,953 USD
View
B+
Retailer 11
-
£7,613 GBP
$10,200 USD
View
B+
Retailer 12
-
£7,613 GBP
$10,200 USD
View
B+
Retailer 13
-
£7,769 GBP
$10,410 USD
View
B+
Retailer 14
-
£7,866 GBP
$10,540 USD
View
B+
Retailer 15
-
£8,122 GBP
€10,364 EUR
View
B
Retailer 16
-
£8,289 GBP
$11,107 USD
View
Retailer 17
-
£8,970 GBP
ZAR 194,159 ZAR
View
Price last confirmed 9 days ago
B
Retailer 18
-
£10,414 GBP
View
Most Expensive
B
NZ Jewellers
5721c836-d992-4db4-a3b1-256cf545fc9f · Oct 30
£12,431 GBP
$16,656 USD
View
18 more retailers have this diamond
Prices start from £5,717 GBPSave up to £6,714 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
£5,717 GBP