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Oval|Natural|GIA

1.51ct H SI2 Oval Natural Diamond

EX • H/SI2 • GIA 6431020211

Certificate GIA 6431020211

Diamond specifications and retailer prices

From €3,624 EUR
₹387,147 INR
As of October 31, 2026
Save €5,569 EUR (61%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €9,193 EUR at Adiamor · As of November 1, 2026
View at Adiamor

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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6431020211. Listed at 18 retailers as of October 31, 2026, with prices from €3,624 to €9,193, a €5,569 spread on the same certified stone. Adiamor lists it at €9,193. 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
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6431020211
Dimensions8.37 × 6.31 × 4.09 mm
L/W Ratio1.33
Top View
8.37 mm6.31 mm1.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6431020211
Side View
Table 58.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 64.8%

Caratlytics Score

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

Price History

Last verified: Oct 31
Current: €7,951 EUR|Low: €3,461 EUR|High: €8,046 EUR|Avg: €4,941 EUR|-1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 5€3,624 EUR
Retailer 6€3,629 EUR
Retailer 10€4,197 EUR
Retailer 9€4,354 EUR
Retailer 7€4,382 EUR
Retailer 8€4,607 EUR
Retailer 4€4,870 EUR
Retailer 2€4,992 EUR
Retailer 3€5,648 EUR
Retailer 1€7,951 EUR

37 data points across 10 retailers

18 retailers€3,624 EUR to €9,193 EUR

A
Cheapest Retailer
-
€3,624 EUR
₹387,147 INR
A
Retailer 2
-
€3,629 EUR
HK$31,800 HKD
View
A
Retailer 3
-
€4,197 EUR
$4,707 USD
View
A
Retailer 4
-
€4,263 EUR
$4,781 USD
View
A
Retailer 5
-
€4,354 EUR
$4,883 USD
View
Retailer 6
-
€4,382 EUR
$4,915 USD
View
Price last confirmed 12 days ago
B+
Retailer 7
-
€4,607 EUR
$5,167 USD
View
Final sale: no returns
B+
Retailer 8
-
€4,610 EUR
SGD 6,988 SGD
View
B+
Retailer 9
-
€4,870 EUR
£4,301 GBP
View
B+
Retailer 10
-
€4,992 EUR
$5,599 USD
View
B+
Retailer 11
-
€4,992 EUR
$5,599 USD
View
B+
Retailer 12
-
€4,992 EUR
$5,599 USD
View
B+
Retailer 13
-
€5,130 EUR
$5,753 USD
View
B+
Retailer 14
-
€5,648 EUR
View
B+
Retailer 15
-
€5,760 EUR
$6,460 USD
View
B
Retailer 16
-
€7,951 EUR
£7,022 GBP
View
B
Retailer 17
-
€8,349 EUR
$9,364 USD
View
Most Expensive
B
Adiamor
D-64716253 · Nov 1
€9,193 EUR
$10,311 USD
View
17 more retailers have this diamond
Prices start from €3,624 EURSave up to €5,569 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.

A
1.51ct Oval
€3,624 EUR