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Oval|Natural|GIA

1.51ct G SI1 Oval Natural Diamond

EX • G/SI1 • GIA 2568141101

Certificate GIA 2568141101

Diamond specifications and retailer prices

From £4,207 GBP
$5,645 USD
As of October 5, 2026
20 retailers carry this diamond
Most expensive: £9,277 GBP at NZ Jewellers · As of October 23, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2568141101. Listed at 20 retailers as of October 5, 2026. 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
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2568141101
Dimensions8.88 × 6.39 × 4.07 mm
L/W Ratio1.39
Culet sizeNone
Top View
8.88 mm6.39 mm1.51 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2568141101
Side View
Table 61.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 63.8%

Caratlytics Score

No score right now
No retailer has confirmed this stone recently, so we are not scoring it. Prices below are as of the date shown.

Price History

Last verified: Oct 5
Current: £9,277 GBP|Low: £4,207 GBP|High: £9,277 GBP|Avg: £5,714 GBP
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
Retailer 20
Retailer 21
October 27, 2026
Retailer 8£4,207 GBP
Retailer 21£4,382 GBP
Retailer 10£4,432 GBP
Retailer 6£4,637 GBP
Retailer 3£4,638 GBP
Retailer 18£4,661 GBP
Retailer 5£4,677 GBP
Retailer 12£4,944 GBP
Retailer 15£5,025 GBP
Retailer 19£5,102 GBP
Retailer 16£5,233 GBP
Retailer 17£5,233 GBP
Retailer 11£5,318 GBP
Retailer 9£5,439 GBP
Retailer 14£5,665 GBP
Retailer 7£5,798 GBP
Retailer 13£6,028 GBP
Retailer 2£6,754 GBP
Retailer 20£7,741 GBP
Retailer 4£8,035 GBP
NZ Jewellers£9,277 GBP

13 data points across 21 retailers

20 retailers£4,207 GBP to £9,277 GBP

Retailer 1
-
£4,207 GBP
$5,645 USD
Price last confirmed 29 days ago
Retailer 2
-
£4,382 GBP
$5,881 USD
View
Price last confirmed 7 days ago
Retailer 3
-
£4,432 GBP
$5,948 USD
View
Price last confirmed 7 days ago
Retailer 4
-
£4,638 GBP
$6,224 USD
View
Price last confirmed 9 days ago
Retailer 5
-
£4,661 GBP
$6,255 USD
View
Price last confirmed 7 days ago
Retailer 6
-
£4,677 GBP
$6,276 USD
View
Price last confirmed 8 days ago
Retailer 7
-
£4,944 GBP
$6,634 USD
View
Price last confirmed 8 days ago
Retailer 8
-
£5,025 GBP
$6,743 USD
View
Price last confirmed 8 days ago
Retailer 9
-
£5,102 GBP
$6,847 USD
View
Price last confirmed 8 days ago
Retailer 10
-
£5,233 GBP
View
Price last confirmed 8 days ago
Retailer 11
-
£5,233 GBP
View
Price last confirmed 8 days ago
Retailer 12
-
£5,318 GBP
$7,137 USD
View
Price last confirmed 28 days ago
Retailer 13
-
£5,439 GBP
A$11,230 AUD
View
Price last confirmed 30 days ago
Retailer 14
-
£5,665 GBP
$7,602 USD
View
Price last confirmed 8 days ago
Retailer 15
-
£5,798 GBP
$7,780 USD
View
Price last confirmed 11 days ago
Retailer 16
-
£6,028 GBP
€7,704 EUR
View
Price last confirmed 7 days ago
Retailer 17
-
£6,754 GBP
ZAR 146,422 ZAR
View
Price last confirmed 7 days ago
Retailer 18
-
£7,741 GBP
View
Price last confirmed 9 days ago
Retailer 19
-
£8,035 GBP
View
Price last confirmed 8 days ago
Most Expensive
NZ Jewellers
eaf39baa-adfb-4e7e-88ab-1db5e01cd1ee · Oct 23
£9,277 GBP
$12,449 USD
View
Price last confirmed 10 days ago
19 more retailers have this diamond

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.

1.51ct Oval
£4,207 GBP