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Oval|Natural|GIA

1.51ct D SI1 Oval Natural Diamond

EX • D/SI1 • GIA 7241366322

Certificate GIA 7241366322

Diamond specifications and retailer prices

From £8,251 GBP
$11,055 USD
As of October 28, 2026
Save £7,362 GBP (47%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £15,612 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 7241366322. Listed at 19 retailers as of October 28, 2026, with prices from £8,251 to £15,612, a £7,362 spread on the same certified stone. NZ Jewellers lists it at £15,612. 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
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7241366322
Dimensions8.92 × 6.60 × 4.02 mm
L/W Ratio1.35
Top View
8.92 mm6.60 mm1.51 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7241366322
Side View
Table 61.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 61.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: £15,612 GBP|Low: £8,251 GBP|High: £15,612 GBP|Avg: £11,287 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 8£8,251 GBP
Retailer 3£9,368 GBP
Retailer 9£9,992 GBP
Retailer 4£9,996 GBP
Retailer 7£10,055 GBP
Retailer 10£10,148 GBP
Retailer 11£10,538 GBP
Retailer 2£11,268 GBP
Retailer 6£13,689 GBP
Retailer 5£14,709 GBP
NZ Jewellers£15,612 GBP

44 data points across 11 retailers

19 retailers£8,251 GBP to £15,612 GBP

B+
Cheapest Retailer
-
£8,251 GBP
$11,055 USD
B+
Retailer 2
-
£8,692 GBP
$11,646 USD
View
B+
Retailer 3
-
£8,701 GBP
$11,659 USD
View
B+
Retailer 4
-
£8,752 GBP
CA$16,288 CAD
View
B
Retailer 5
-
£9,217 GBP
$12,350 USD
View
B
Retailer 6
-
£9,368 GBP
$12,552 USD
View
B
Retailer 7
-
£9,992 GBP
$13,388 USD
View
B
Retailer 8
-
£9,996 GBP
View
Retailer 9
-
£10,055 GBP
A$20,727 AUD
View
Price last confirmed 7 days ago
B
Retailer 10
-
£10,148 GBP
$13,597 USD
View
B
Retailer 11
-
£10,538 GBP
$14,120 USD
View
B
Retailer 12
-
£10,770 GBP
$14,430 USD
View
B
Retailer 13
-
£10,770 GBP
$14,430 USD
View
B
Retailer 14
-
£10,854 GBP
$14,543 USD
View
B
Retailer 15
-
£11,128 GBP
$14,910 USD
View
B
Retailer 16
-
£11,268 GBP
€14,379 EUR
View
B
Retailer 17
-
£13,689 GBP
ZAR 296,315 ZAR
View
B
Retailer 18
-
£14,709 GBP
View
Most Expensive
B
NZ Jewellers
8f6aceef-faf3-4bd8-b8b2-5eb04a828892 · Oct 30
£15,612 GBP
$20,919 USD
View
18 more retailers have this diamond
Prices start from £8,251 GBPSave up to £7,362 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
£8,251 GBP