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Oval|Natural|GIA

1.51ct I SI1 Oval Natural Diamond

EX • I/SI1 • GIA 2316765230

Certificate GIA 2316765230

Diamond specifications and retailer prices

From €5,349 EUR
$6,000 USD
As of November 2, 2026
Save €6,692 EUR (56%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €12,042 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 I 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 2316765230. Listed at 22 retailers as of October 30, 2026, with prices from €5,349 to €12,042, a €6,692 spread on the same certified stone. NZ Jewellers lists it at €12,042. 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
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2316765230
Dimensions9.00 × 6.65 × 4.02 mm
L/W Ratio1.35
Top View
9.00 mm6.65 mm1.51 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2316765230
Side View
Table 59.0%CrownGirdle: VTN-MEDPavilionCulet: NoneDepth 60.4%

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 2
Current: €12,042 EUR|Low: €5,349 EUR|High: €12,042 EUR|Avg: €7,585 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
November 2, 2026
Retailer 11€5,349 EUR
Retailer 9€5,748 EUR
Retailer 4€6,021 EUR
Retailer 3€6,523 EUR
Retailer 10€6,623 EUR
Retailer 6€6,791 EUR
Retailer 8€6,899 EUR
Retailer 12€7,526 EUR
Retailer 5€7,864 EUR
Retailer 7€8,845 EUR
Retailer 2€10,033 EUR
NZ Jewellers€12,042 EUR

43 data points across 12 retailers

22 retailers€5,349 EUR to €12,042 EUR

B+
Cheapest Retailer
-
€5,349 EUR
$6,000 USD
B+
Retailer 2
-
€5,580 EUR
$6,258 USD
View
B+
Retailer 3
-
€5,688 EUR
$6,380 USD
View
B+
Retailer 4
-
€5,748 EUR
$6,447 USD
View
Final sale: no returns
B+
Retailer 5
-
€5,771 EUR
$6,473 USD
View
B+
Retailer 6
-
€5,985 EUR
CA$9,323 CAD
View
B+
Retailer 7
-
€6,021 EUR
$6,753 USD
View
B+
Retailer 8
-
€6,032 EUR
$6,765 USD
View
B+
Retailer 9
-
€6,071 EUR
$6,809 USD
View
B
Retailer 10
-
€6,411 EUR
$7,190 USD
View
B
Retailer 11
-
€6,523 EUR
$7,316 USD
View
B
Retailer 12
-
€6,623 EUR
$7,428 USD
View
B
Retailer 13
-
€6,649 EUR
$7,458 USD
View
B+
Retailer 14
-
€6,791 EUR
£5,997 GBP
View
B+
Retailer 15
-
€6,887 EUR
$7,725 USD
View
Retailer 16
-
€6,899 EUR
A$11,904 AUD
View
Price last confirmed 12 days ago
B
Retailer 17
-
€7,526 EUR
$8,441 USD
View
B
Retailer 18
-
€7,864 EUR
View
B
Retailer 19
-
€7,932 EUR
$8,897 USD
View
B
Retailer 20
-
€8,845 EUR
ZAR 160,262 ZAR
View
B
Retailer 21
-
€10,033 EUR
£8,861 GBP
View
Most Expensive
B
NZ Jewellers
7b5bc6cf-00be-4a75-8a6e-4a63f09f1019 · Oct 30
€12,042 EUR
$13,506 USD
View
21 more retailers have this diamond
Prices start from €5,349 EURSave up to €6,692 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
€5,349 EUR