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Oval|Natural|GIA

1.51ct G SI2 Oval Natural Diamond

EX • G/SI2 • GIA 6552656702

Certificate GIA 6552656702

Diamond specifications and retailer prices

From £2,910 GBP
$3,899 USD
As of November 1, 2026
Save £3,906 GBP (57%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £6,815 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 G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6552656702. Listed at 20 retailers as of October 30, 2026, with prices from £2,910 to £6,815, a £3,906 spread on the same certified stone. NZ Jewellers lists it at £6,815. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle39.7°
Pavilion angle38.6°
OriginNatural
Grading LabGIA
CertificateGIA 6552656702
Dimensions8.76 × 6.43 × 4.10 mm
L/W Ratio1.36
Girdle conditionFaceted
Top View
8.76 mm6.43 mm1.51 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6552656702
Side View
Table 63.0%Crown 39.7°Girdle: MED-THKPavilion 38.6°Culet: NoneDepth 63.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £6,815 GBP|Low: £2,909 GBP|High: £7,018 GBP|Avg: £4,170 GBP|-2.9%
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
Retailer 20
November 1, 2026
Retailer 2£2,910 GBP
Retailer 4£3,038 GBP
Retailer 18£3,129 GBP
Retailer 3£3,200 GBP
Retailer 20£3,274 GBP
Retailer 19£3,388 GBP
Retailer 17£3,670 GBP
Retailer 9£3,692 GBP
Retailer 10£3,692 GBP
Retailer 5£3,864 GBP
Retailer 14£3,925 GBP
Retailer 16£3,953 GBP
Retailer 6£4,112 GBP
Retailer 11£4,135 GBP
Retailer 8£4,235 GBP
Retailer 12£4,276 GBP
Retailer 7£4,585 GBP
Retailer 13£4,714 GBP
Retailer 15£6,453 GBP
NZ Jewellers£6,815 GBP

25 data points across 20 retailers

20 retailers£2,910 GBP to £6,815 GBP

A
Cheapest Retailer
-
£2,910 GBP
$3,899 USD
A
Retailer 2
-
£3,038 GBP
HK$31,800 HKD
View
A
Retailer 3
-
£3,129 GBP
$4,192 USD
View
A
Retailer 4
-
£3,200 GBP
$4,288 USD
View
A
Retailer 5
-
£3,274 GBP
$4,387 USD
View
A
Retailer 6
-
£3,388 GBP
$4,539 USD
View
Final sale: no returns
A
Retailer 7
-
£3,670 GBP
$4,918 USD
View
A
Retailer 8
-
£3,692 GBP
$4,947 USD
View
A
Retailer 9
-
£3,692 GBP
$4,947 USD
View
A
Retailer 10
-
£3,864 GBP
$5,177 USD
View
A
Retailer 11
-
£3,925 GBP
View
A
Retailer 12
-
£3,953 GBP
View
A
Retailer 13
-
£4,112 GBP
$5,510 USD
View
A
Retailer 14
-
£4,135 GBP
$5,540 USD
View
A
Retailer 15
-
£4,235 GBP
$5,674 USD
View
A
Retailer 16
-
£4,276 GBP
$5,730 USD
View
A
Retailer 17
-
£4,585 GBP
€5,851 EUR
View
B+
Retailer 18
-
£4,714 GBP
$6,316 USD
View
B
Retailer 19
-
£6,453 GBP
View
Most Expensive
B
NZ Jewellers
8613633b-fa02-4518-b7b2-e75795b72a18 · Oct 30
£6,815 GBP
$9,132 USD
View
19 more retailers have this diamond
Prices start from £2,910 GBPSave up to £3,906 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
£2,910 GBP