Round|Natural|GIA

5.01ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 1509897235

Certificate GIA 1509897235

Diamond specifications and retailer prices

From $125,993 USD
£99,207 GBP
As of October 31, 2026
Save $35,888 USD (22%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $204,685 USD at MOH London · As of October 21, 2026
View at MOH London

About this 5.01ct natural round diamond

This 5.01ct natural round sits in the over five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1509897235. Listed at 12 retailers as of October 31, 2026, with a 28% 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

5.01
Carat
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1509897235
Dimensions10.99 × 10.93 × 6.71 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Culet sizeNone
Key to symbols
Crystal, Needle
Top View
10.99 mm10.93 mm5.01 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1509897235
Side View
Table 60.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.3%

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 31
Current: $204,685 USD|Low: $119,957 USD|High: $206,047 USD|Avg: $147,958 USD|-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
Retailer 13
November 1, 2026
Retailer 4$121,452 USD
Retailer 7$125,993 USD
Retailer 3$129,505 USD
Retailer 9$135,793 USD
Retailer 5$137,610 USD
Retailer 10$137,838 USD
Retailer 12$143,895 USD
Retailer 13$149,890 USD
Retailer 11$155,513 USD
Retailer 6$155,886 USD
Retailer 2$157,474 USD
Retailer 8$161,881 USD
MOH London$204,685 USD

33 data points across 13 retailers

12 retailers$125,993 USD to $161,881 USD

Retailer 1
-
$121,452 USD
A$186,850 AUD
Price last confirmed 27 days ago
A
Retailer 2
-
$125,993 USD
£99,207 GBP
View
B+
Retailer 3
-
$129,505 USD
View
Final sale: no returns
B+
Retailer 4
-
$135,793 USD
View
Retailer 5
-
$137,838 USD
£108,534 GBP
View
Price last confirmed 10 days ago
Retailer 6
-
$143,895 USD
View
Price last confirmed 15 days ago
Retailer 7
-
$149,890 USD
View
Price last confirmed 16 days ago
Retailer 8
-
$155,513 USD
ZAR 2,512,328 ZAR
View
Price last confirmed 14 days ago
B+
Retailer 9
-
$155,886 USD
View
B+
Retailer 10
-
$157,474 USD
€149,975 EUR
View
B+
Retailer 11
-
$161,881 USD
View
Most Expensive
MOH London
02DD7C1EF · Oct 21
$204,685 USD
£161,169 GBP
View
Price last confirmed 10 days ago
11 more retailers have this diamond
Prices start from $125,993 USDSave up to $35,888 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.

A
5.01ct Round
$125,993 USD