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Marquise|Natural|GIA

1.23ct H IF Marquise Natural Diamond

EX • H/IF • GIA 10026229

Certificate GIA 10026229

Diamond specifications and retailer prices

From €4,778 EUR
$5,359 USD
As of October 31, 2026
Save €1,826 EUR (28%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €6,604 EUR at 77 Diamonds · As of October 31, 2026
View at 77 Diamonds

About this 1.23ct natural marquise diamond

This 1.23ct natural marquise sits in the classic one-carat band, graded H colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 10026229. Listed at 3 retailers as of October 31, 2026, with prices from €4,778 to €6,604, a €1,826 spread on the same certified stone. 77 Diamonds lists it at €6,604. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

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

Specifications

Cut (retailer stated)Excellent
PolishGood
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 10026229
Dimensions10.26 × 5.78 × 3.62 mm
L/W Ratio1.78
Top View
10.26 mm5.78 mm1.23 ctH / IF
OriginNatural
CutExcellent
PolishGood
SymmetryGood
FluorescenceNone
CertificateGIA 10026229
Side View
Table 58.0%CrownGirdlePavilionCuletDepth 62.6%

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: Oct 31
Current: €6,604 EUR|Low: €4,707 EUR|High: €6,646 EUR|Avg: €5,480 EUR|+0.4%
77 Diamonds
Retailer 2
Retailer 3
October 31, 2026
Retailer 2€4,778 EUR
Retailer 3€5,074 EUR
77 Diamonds€6,604 EUR

32 data points across 3 retailers

3 retailers€4,778 EUR to €6,604 EUR

B+
Cheapest Retailer
-
€4,778 EUR
$5,359 USD
B+
Retailer 2
-
€5,074 EUR
$5,691 USD
View
Most Expensive
B
77 Diamonds
MQZKVUFRHRY · Oct 31
€6,604 EUR
£5,832 GBP
View
2 more retailers have this diamond
Prices start from €4,778 EURSave up to €1,826 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 Marquise
€4,778 EUR