Round|Natural|GIA

3.01ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 6521210020

Certificate GIA 6521210020

Diamond specifications and retailer prices

From $41,792 USD
HK$326,500 HKD
As of October 30, 2026
Save $15,883 USD (28%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $66,508 USD at Moon Ocean · As of October 22, 2026
View at Moon Ocean

About this 3.01ct natural round diamond

This 3.01ct natural round sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6521210020. Listed at 15 retailers as of October 30, 2026, with a 38% 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

3.01
Carat
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6521210020
Dimensions9.21 × 9.16 × 5.74 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
9.21 mm9.16 mm3.01 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6521210020
Side View
Table 58.0%Crown 35.5°Girdle: ThickPavilion 41°Culet: NoneDepth 62.5%

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: $66,508 USD|Low: $41,635 USD|High: $94,280 USD|Avg: $52,075 USD
Moon Ocean
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
October 31, 2026
Retailer 3$41,635 USD
Retailer 4$41,792 USD
Retailer 12$44,435 USD
Retailer 8$44,526 USD
Retailer 5$44,886 USD
Retailer 13$44,946 USD
Retailer 6$47,931 USD
Retailer 10$50,930 USD
Retailer 11$50,930 USD
Retailer 14$52,324 USD
Retailer 9$52,630 USD
Retailer 2$52,654 USD
Retailer 7$57,675 USD
Moon Ocean$66,508 USD

33 data points across 14 retailers

15 retailers$41,792 USD to $57,675 USD

Retailer 1
-
$41,635 USD
Price last confirmed 14 days ago
A
Retailer 2
-
$41,792 USD
HK$326,500 HKD
View
Retailer 3
-
$44,435 USD
View
Price last confirmed 9 days ago
A
Retailer 4
-
$44,526 USD
₹4,240,552 INR
View
B+
Retailer 5
-
$44,886 USD
View
B+
Retailer 6
-
$47,931 USD
View
B+
Retailer 7
-
$50,930 USD
View
B
Retailer 8
-
$50,930 USD
View
Retailer 9
-
$51,076 USD
View
Price last confirmed 9 days ago
Retailer 10
-
$52,324 USD
View
Price last confirmed 8 days ago
B
Retailer 11
-
$52,630 USD
View
B+
Retailer 12
-
$52,654 USD
£41,460 GBP
View
Retailer 13
-
$53,119 USD
View
Price last confirmed 10 days ago
B+
Retailer 14
-
$57,675 USD
€54,929 EUR
View
Most Expensive
Moon Ocean
NVN-9745065F7-020 · Oct 22
$66,508 USD
£52,368 GBP
View
Price last confirmed 10 days ago
14 more retailers have this diamond
Prices start from $41,792 USDSave up to $15,883 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
3.01ct Round
$41,792 USD