Round|Natural|GIA

3.10ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 1559940251

Certificate GIA 1559940251

Diamond specifications and retailer prices

From $35,417 USD
As of November 6, 2026
Save $29,660 USD (46%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $65,077 USD at MOH London · As of November 4, 2026
View at MOH London

About this 3.1ct natural round diamond

This 3.1ct natural round sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1559940251. Listed at 20 retailers as of November 4, 2026, with prices from $35,417 to $65,077, a $29,660 spread on the same certified stone. MOH London lists it at $65,077. 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

3.10
Carat
F
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 1559940251
Dimensions9.21 × 9.29 × 5.80 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Needle
Top View
9.21 mm9.29 mm3.10 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1559940251
Side View
Table 59.0%Crown 35°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.7%

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: Nov 6
Current: $65,077 USD|Low: $35,417 USD|High: $67,569 USD|Avg: $47,403 USD|-3.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 7$35,417 USD
Retailer 3$39,968 USD
Retailer 5$41,130 USD
Retailer 10$42,274 USD
Retailer 11$42,391 USD
Retailer 9$44,690 USD
Retailer 2$45,503 USD
Retailer 6$50,407 USD
Retailer 8$51,362 USD
Retailer 4$53,788 USD
MOH London$65,077 USD

32 data points across 11 retailers

20 retailers$35,417 USD to $65,077 USD

A
Cheapest Retailer
-
$35,417 USD
Retailer 2
-
$39,968 USD
View
Price last confirmed 27 days ago
Retailer 3
-
$40,949 USD
View
Price last confirmed 33 days ago
B+
Retailer 4
-
$41,130 USD
View
B+
Retailer 5
-
$42,274 USD
View
Final sale: no returns
B+
Retailer 6
-
$42,391 USD
View
B+
Retailer 7
-
$44,690 USD
View
Retailer 8
-
$44,997 USD
View
Price last confirmed 39 days ago
B+
Retailer 9
-
$45,503 USD
View
Retailer 10
-
$45,696 USD
View
Price last confirmed 69 days ago
Retailer 11
-
$47,188 USD
View
Price last confirmed 25 days ago
Retailer 12
-
$49,154 USD
View
Price last confirmed 38 days ago
B+
Retailer 13
-
$50,407 USD
View
Retailer 14
-
$51,120 USD
View
Price last confirmed 36 days ago
B+
Retailer 15
-
$51,362 USD
View
Retailer 16
-
$52,457 USD
View
Price last confirmed 68 days ago
Retailer 17
-
$53,086 USD
View
Price last confirmed 35 days ago
B+
Retailer 18
-
$53,788 USD
View
Retailer 19
-
$54,567 USD
View
Price last confirmed 67 days ago
Most Expensive
B
MOH London
FA8C2EEE9 · Nov 4
$65,077 USD
£51,242 GBP
View
19 more retailers have this diamond
Prices start from $35,417 USDSave up to $29,660 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
3.10ct Round
$35,417 USD