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Oval|Natural|GIA

1.23ct H SI2 Oval Natural Diamond

EX • H/SI2 • GIA 6452496611

Certificate GIA 6452496611

Diamond specifications and retailer prices

From €4,544 EUR
$5,077 USD
As of October 31, 2026
Save €1,397 EUR (24%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €5,941 EUR at 77 Diamonds · As of November 1, 2026
View at 77 Diamonds

About this 1.23ct natural oval diamond

This 1.23ct natural oval sits in the classic one-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 6452496611. Listed at 5 retailers as of October 31, 2026, with prices from €4,544 to €5,941, a €1,397 spread on the same certified stone. 77 Diamonds lists it at €5,941. 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

1.23
Carat
H
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6452496611
Dimensions8.07 × 5.84 × 3.82 mm
L/W Ratio1.38
Top View
8.07 mm5.84 mm1.23 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6452496611
Side View
Table 54.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 65.4%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €5,941 EUR|Low: €4,131 EUR|High: €5,979 EUR|Avg: €5,245 EUR|+1.8%
77 Diamonds
Retailer 2
Retailer 3
November 1, 2026
Retailer 2€4,544 EUR
Retailer 3€5,395 EUR
77 Diamonds€5,941 EUR

36 data points across 3 retailers

5 retailers€4,544 EUR to €5,941 EUR

B
Cheapest Retailer
-
€4,544 EUR
$5,077 USD
Final sale: no returns
B
Retailer 2
-
€4,561 EUR
$5,096 USD
View
B
Retailer 3
-
€5,395 EUR
$6,027 USD
View
B
Retailer 4
-
€5,764 EUR
$6,440 USD
View
Most Expensive
B
77 Diamonds
OVMBEGZTSSKU · Nov 1
€5,941 EUR
£5,226 GBP
View
4 more retailers have this diamond
Prices start from €4,544 EURSave up to €1,397 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
1.23ct Oval
€4,544 EUR