CaratHunter
Plans
Oval|Natural|GIA

1.51ct G SI1 Oval Natural Diamond

EX • G/SI1 • GIA 6555496656

Certificate GIA 6555496656

Diamond specifications and retailer prices

From €6,873 EUR
$7,678 USD
As of November 1, 2026
Save €7,415 EUR (52%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €14,287 EUR 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6555496656. Listed at 21 retailers as of October 30, 2026, with prices from €6,873 to €14,287, a €7,415 spread on the same certified stone. NZ Jewellers lists it at €14,287. 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
Crown angle37.5°
Pavilion angle37.7°
OriginNatural
Grading LabGIA
CertificateGIA 6555496656
Dimensions9.18 × 6.40 × 4.01 mm
L/W Ratio1.43
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
9.18 mm6.40 mm1.51 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6555496656
Side View
Table 62.0%Crown 37.5°Girdle: THN-THKPavilion 37.7°Culet: NoneDepth 62.5%

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: Nov 1
Current: €14,287 EUR|Low: €6,955 EUR|High: €14,287 EUR|Avg: €8,886 EUR
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
November 2, 2026
Retailer 15€6,955 EUR
Retailer 3€7,211 EUR
Retailer 7€7,680 EUR
Retailer 4€7,885 EUR
Retailer 11€7,885 EUR
Retailer 14€7,889 EUR
Retailer 2€7,908 EUR
Retailer 5€8,147 EUR
Retailer 13€8,542 EUR
Retailer 12€8,673 EUR
Retailer 6€8,824 EUR
Retailer 10€9,857 EUR
Retailer 9€10,495 EUR
Retailer 8€11,905 EUR
NZ Jewellers€14,287 EUR

46 data points across 15 retailers

21 retailers€6,873 EUR to €14,287 EUR

B+
Cheapest Retailer
-
€6,873 EUR
$7,678 USD
B+
Retailer 2
-
€6,955 EUR
$7,770 USD
View
B+
Retailer 3
-
€7,211 EUR
SGD 10,886 SGD
View
B+
Retailer 4
-
€7,383 EUR
$8,248 USD
View
B
Retailer 5
-
€7,680 EUR
$8,580 USD
View
B
Retailer 6
-
€7,828 EUR
$8,745 USD
View
B+
Retailer 7
-
€7,885 EUR
$8,809 USD
View
Final sale: no returns
B+
Retailer 8
-
€7,885 EUR
$8,809 USD
View
Retailer 9
-
€7,889 EUR
A$13,560 AUD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
€7,908 EUR
£6,957 GBP
View
B
Retailer 11
-
€8,425 EUR
$9,412 USD
View
B
Retailer 12
-
€8,542 EUR
$9,543 USD
View
Retailer 13
-
€8,542 EUR
$9,543 USD
View
Price last confirmed 7 days ago
B
Retailer 14
-
€8,673 EUR
$9,690 USD
View
B
Retailer 15
-
€8,733 EUR
$9,757 USD
View
B
Retailer 16
-
€8,824 EUR
$9,858 USD
View
Retailer 17
-
€9,857 EUR
$11,012 USD
View
Price last confirmed 62 days ago
B
Retailer 18
-
€9,857 EUR
$11,012 USD
View
B
Retailer 19
-
€10,495 EUR
ZAR 189,411 ZAR
View
B
Retailer 20
-
€11,905 EUR
£10,473 GBP
View
Most Expensive
B
NZ Jewellers
5d7088cb-e287-4cbf-91e0-5155794ec581 · Oct 30
€14,287 EUR
$15,962 USD
View
20 more retailers have this diamond
Prices start from €6,873 EURSave up to €7,415 EUR

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
€6,873 EUR