Round|Natural|GIA

5.06ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 1242082357

Certificate GIA 1242082357

Diamond specifications and retailer prices

From €59,435 EUR
£52,284 GBP
As of November 1, 2026
Save €24,163 EUR (29%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €102,487 EUR at MOH London · As of October 21, 2026
View at MOH London

About this 5.06ct natural round diamond

This 5.06ct 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 1242082357. Listed at 17 retailers as of October 31, 2026, with a 41% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

5.06
Carat
J
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1242082357
Dimensions11.01 × 11.06 × 6.75 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Needle, Indented Natural
Top View
11.01 mm11.06 mm5.06 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1242082357
Side View
Table 58.0%Crown 36°Girdle: THN-MEDPavilion 40.6°Culet: NoneDepth 61.2%

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: €102,487 EUR|Low: €55,498 EUR|High: €102,487 EUR|Avg: €71,024 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 1, 2026
Retailer 5€55,498 EUR
Retailer 17€58,162 EUR
Retailer 2€59,435 EUR
Retailer 13€59,589 EUR
Retailer 9€60,821 EUR
Retailer 11€63,815 EUR
Retailer 7€64,030 EUR
Retailer 19€64,720 EUR
Retailer 6€66,045 EUR
Retailer 4€67,993 EUR
Retailer 8€69,647 EUR
Retailer 16€75,052 EUR
Retailer 14€77,450 EUR
Retailer 18€78,054 EUR
Retailer 15€78,703 EUR
Retailer 10€80,287 EUR
Retailer 3€81,056 EUR
Retailer 12€83,598 EUR
MOH London€102,487 EUR

8 data points across 19 retailers

17 retailers€59,435 EUR to €83,598 EUR

Retailer 1
-
€55,498 EUR
HK$484,400 HKD
Price last confirmed 10 days ago
Retailer 2
-
€58,162 EUR
₹6,188,490 INR
View
Price last confirmed 10 days ago
B+
Retailer 3
-
€59,435 EUR
£52,284 GBP
View
B+
Retailer 4
-
€59,589 EUR
SGD 89,964 SGD
View
Retailer 5
-
€60,821 EUR
$67,950 USD
View
Price last confirmed 11 days ago
Retailer 6
-
€64,720 EUR
£56,934 GBP
View
Price last confirmed 10 days ago
B+
Retailer 7
-
€66,045 EUR
$73,786 USD
View
Final sale: no returns
Retailer 8
-
€67,993 EUR
$75,962 USD
View
Price last confirmed 12 days ago
Retailer 9
-
€69,647 EUR
$77,810 USD
View
Price last confirmed 9 days ago
Retailer 10
-
€75,052 EUR
$83,848 USD
View
Price last confirmed 10 days ago
Retailer 11
-
€77,450 EUR
ZAR 1,397,859 ZAR
View
Price last confirmed 10 days ago
Retailer 12
-
€78,054 EUR
$87,202 USD
View
Price last confirmed 10 days ago
Retailer 13
-
€78,703 EUR
View
Price last confirmed 10 days ago
Retailer 14
-
€80,287 EUR
$89,698 USD
View
Price last confirmed 13 days ago
Retailer 15
-
€81,056 EUR
$90,556 USD
View
Price last confirmed 11 days ago
B
Retailer 16
-
€83,598 EUR
$93,396 USD
View
Most Expensive
MOH London
AA3D18559 · Oct 21
€102,487 EUR
£90,157 GBP
View
Price last confirmed 11 days ago
16 more retailers have this diamond
Prices start from €59,435 EURSave up to €24,163 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+
5.06ct Round
€59,435 EUR