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Round|Natural|GIA

5.23ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 2235923205

Certificate GIA 2235923205

Diamond specifications and retailer prices

From €54,547 EUR
CA$84,640 CAD
As of October 30, 2026
Save €36,713 EUR (40%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €91,261 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 5.23ct natural round diamond

This 5.23ct natural round sits in the over five carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2235923205. Listed at 18 retailers as of October 29, 2026, with prices from €54,547 to €91,261, a €36,713 spread on the same certified stone. MOH London lists it at €91,261. 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

5.23
Carat
J
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2235923205
Dimensions11.02 × 11.08 × 6.89 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
11.02 mm11.08 mm5.23 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2235923205
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.4%

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 30
Current: €91,261 EUR|Low: €54,547 EUR|High: €91,869 EUR|Avg: €63,002 EUR|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 6€54,547 EUR
Retailer 8€55,539 EUR
Retailer 3€55,851 EUR
Retailer 2€57,873 EUR
Retailer 12€58,390 EUR
Retailer 9€60,545 EUR
Retailer 4€60,678 EUR
Retailer 10€61,709 EUR
Retailer 11€61,709 EUR
Retailer 7€65,269 EUR
Retailer 5€69,296 EUR
MOH London€91,261 EUR

32 data points across 12 retailers

18 retailers€54,547 EUR to €91,261 EUR

A
Cheapest Retailer
-
€54,547 EUR
CA$84,640 CAD
A
Retailer 2
-
€55,539 EUR
$62,048 USD
View
B+
Retailer 3
-
€55,851 EUR
$62,397 USD
View
A
Retailer 4
-
€57,873 EUR
£50,910 GBP
View
B+
Retailer 5
-
€58,390 EUR
$65,234 USD
View
Retailer 6
-
€60,545 EUR
$67,641 USD
View
Price last confirmed 48 days ago
Retailer 7
-
€60,545 EUR
$67,641 USD
View
Price last confirmed 24 days ago
Retailer 8
-
€60,545 EUR
$67,641 USD
View
Price last confirmed 35 days ago
B+
Retailer 9
-
€60,545 EUR
$67,641 USD
View
B+
Retailer 10
-
€60,678 EUR
$67,790 USD
View
B+
Retailer 11
-
€60,678 EUR
$67,790 USD
View
B+
Retailer 12
-
€61,709 EUR
$68,942 USD
View
B+
Retailer 13
-
€61,709 EUR
$68,942 USD
View
B+
Retailer 14
-
€62,701 EUR
$70,050 USD
View
B+
Retailer 15
-
€63,443 EUR
CA$98,442 CAD
View
B+
Retailer 16
-
€65,269 EUR
$72,919 USD
View
B+
Retailer 17
-
€69,296 EUR
View
Most Expensive
B
MOH London
BD9AEC440 · Oct 29
€91,261 EUR
£80,281 GBP
View
17 more retailers have this diamond
Prices start from €54,547 EURSave up to €36,713 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
5.23ct Round
€54,547 EUR