Round|Natural|GIA

5.06ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 1242082357

Certificate GIA 1242082357

Diamond specifications and retailer prices

From $66,401 USD
£52,284 GBP
As of October 31, 2026
Save $26,995 USD (29%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $114,499 USD 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: Oct 31
Current: $114,499 USD|Low: $62,003 USD|High: $114,499 USD|Avg: $79,384 USD
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
October 31, 2026
Retailer 5$62,003 USD
Retailer 17$64,979 USD
Retailer 12$66,401 USD
Retailer 13$66,573 USD
Retailer 9$67,950 USD
Retailer 11$71,295 USD
Retailer 7$71,535 USD
Retailer 19$72,306 USD
Retailer 6$73,786 USD
Retailer 4$75,962 USD
Retailer 8$77,810 USD
Retailer 16$83,848 USD
Retailer 14$86,527 USD
Retailer 18$87,202 USD
Retailer 15$87,927 USD
Retailer 10$89,698 USD
Retailer 3$90,556 USD
Retailer 2$93,396 USD
MOH London$114,499 USD

7 data points across 19 retailers

17 retailers$66,401 USD to $93,396 USD

Retailer 1
-
$62,003 USD
HK$484,400 HKD
Price last confirmed 9 days ago
Retailer 2
-
$64,979 USD
₹6,188,490 INR
View
Price last confirmed 9 days ago
B+
Retailer 3
-
$66,401 USD
£52,284 GBP
View
B+
Retailer 4
-
$66,573 USD
SGD 89,964 SGD
View
Retailer 5
-
$67,950 USD
View
Price last confirmed 10 days ago
Retailer 6
-
$72,306 USD
£56,934 GBP
View
Price last confirmed 9 days ago
B+
Retailer 7
-
$73,786 USD
View
Final sale: no returns
Retailer 8
-
$75,962 USD
View
Price last confirmed 11 days ago
Retailer 9
-
$77,810 USD
View
Price last confirmed 8 days ago
Retailer 10
-
$83,848 USD
View
Price last confirmed 9 days ago
Retailer 11
-
$86,527 USD
ZAR 1,397,859 ZAR
View
Price last confirmed 9 days ago
Retailer 12
-
$87,202 USD
View
Price last confirmed 9 days ago
Retailer 13
-
$87,927 USD
€83,740 EUR
View
Price last confirmed 9 days ago
Retailer 14
-
$89,698 USD
View
Price last confirmed 12 days ago
Retailer 15
-
$90,556 USD
View
Price last confirmed 10 days ago
B
Retailer 16
-
$93,396 USD
View
Most Expensive
MOH London
AA3D18559 · Oct 21
$114,499 USD
£90,157 GBP
View
Price last confirmed 10 days ago
16 more retailers have this diamond
Prices start from $66,401 USDSave up to $26,995 USD

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
$66,401 USD