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Oval|Natural|GIA

1.51ct H SI1 Oval Natural Diamond

GD • H/SI1 • GIA 5436230726

Certificate GIA 5436230726

Diamond specifications and retailer prices

From €5,113 EUR
HK$44,800 HKD
As of November 1, 2026
Save €6,523 EUR (56%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €11,636 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 5436230726. Listed at 19 retailers as of October 30, 2026, with prices from €5,113 to €11,636, a €6,523 spread on the same certified stone. NZ Jewellers lists it at €11,636. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
H
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 5436230726
Dimensions8.65 × 6.39 × 3.97 mm
L/W Ratio1.35
Top View
8.65 mm6.39 mm1.51 ctH / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 5436230726
Side View
Table 58.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 62.1%

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: €7,600 EUR|Low: €4,863 EUR|High: €9,813 EUR|Avg: €6,991 EUR|+2.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 7€5,113 EUR
Retailer 11€5,434 EUR
Retailer 2€5,818 EUR
Retailer 9€5,822 EUR
Retailer 3€6,400 EUR
Retailer 4€6,559 EUR
Retailer 10€6,708 EUR
Retailer 1€7,600 EUR
Retailer 8€7,666 EUR
Retailer 6€8,548 EUR
Retailer 5€9,696 EUR

42 data points across 11 retailers

19 retailers€5,113 EUR to €11,636 EUR

B+
Cheapest Retailer
-
€5,113 EUR
HK$44,800 HKD
B+
Retailer 2
-
€5,434 EUR
$6,095 USD
View
B
Retailer 3
-
€5,818 EUR
$6,526 USD
View
B
Retailer 4
-
€5,818 EUR
$6,526 USD
View
Final sale: no returns
B+
Retailer 5
-
€5,822 EUR
$6,530 USD
View
B
Retailer 6
-
€5,867 EUR
$6,580 USD
View
B
Retailer 7
-
€6,303 EUR
$7,069 USD
View
B
Retailer 8
-
€6,400 EUR
$7,178 USD
View
B
Retailer 9
-
€6,559 EUR
£5,793 GBP
View
Retailer 10
-
€6,708 EUR
A$11,574 AUD
View
Price last confirmed 11 days ago
B
Retailer 11
-
€6,899 EUR
$7,738 USD
View
B
Retailer 12
-
€6,981 EUR
$7,830 USD
View
B
Retailer 13
-
€6,981 EUR
$7,830 USD
View
B
Retailer 14
-
€7,213 EUR
$8,090 USD
View
B
Retailer 15
-
€7,273 EUR
$8,157 USD
View
B
Retailer 16
-
€7,600 EUR
View
B
Retailer 17
-
€8,548 EUR
ZAR 154,887 ZAR
View
B
Retailer 18
-
€9,696 EUR
£8,563 GBP
View
Most Expensive
C
NZ Jewellers
085bec04-f988-43f7-91dc-f6504d0faaee · Oct 30
€11,636 EUR
$13,051 USD
View
18 more retailers have this diamond
Prices start from €5,113 EURSave up to €6,523 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
€5,113 EUR