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Round|Natural|GIA

3.10ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 1559940251

Certificate GIA 1559940251

Diamond specifications and retailer prices

From $50,811 AUD
HK$278,200 HKD
As of November 1, 2026
Save $42,794 AUD (46%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $93,605 AUD at MOH London · As of November 1, 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 1, 2026, with prices from $50,811 to $93,605, a $42,794 spread on the same certified stone. MOH London lists it at $93,605. 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
Colour
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 1
Current: $93,605 AUD|Low: $50,811 AUD|High: $96,414 AUD|Avg: $67,460 AUD|-2.9%
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 2, 2026
Retailer 10$50,811 AUD
Retailer 3$57,032 AUD
Retailer 4$58,431 AUD
Retailer 6$59,946 AUD
Retailer 13$60,488 AUD
Retailer 12$60,645 AUD
Retailer 9$64,103 AUD
Retailer 2$65,628 AUD
Retailer 5$67,333 AUD
Retailer 7$72,403 AUD
Retailer 11$73,682 AUD
Retailer 8$77,699 AUD
MOH London$93,605 AUD

35 data points across 13 retailers

20 retailers$50,811 AUD to $93,605 AUD

A
Cheapest Retailer
-
$50,811 AUD
HK$278,200 HKD
Retailer 2
-
$57,032 AUD
SGD 54,012 SGD
View
Price last confirmed 23 days ago
Retailer 3
-
$58,431 AUD
View
Price last confirmed 29 days ago
B+
Retailer 4
-
$59,946 AUD
£33,080 GBP
View
B+
Retailer 5
-
$60,488 AUD
$42,391 USD
View
B+
Retailer 6
-
$60,645 AUD
$42,501 USD
View
Final sale: no returns
B+
Retailer 7
-
$64,103 AUD
$44,925 USD
View
Retailer 8
-
$64,206 AUD
$44,997 USD
View
Price last confirmed 35 days ago
Retailer 9
-
$65,204 AUD
$45,696 USD
View
Price last confirmed 65 days ago
B+
Retailer 10
-
$65,628 AUD
£36,215 GBP
View
Retailer 11
-
$67,333 AUD
$47,188 USD
View
Price last confirmed 21 days ago
Retailer 12
-
$70,138 AUD
$49,154 USD
View
Price last confirmed 33 days ago
B+
Retailer 13
-
$72,403 AUD
€48,325 EUR
View
Retailer 14
-
$72,943 AUD
$51,120 USD
View
Price last confirmed 32 days ago
B
Retailer 15
-
$73,682 AUD
$51,638 USD
View
Retailer 16
-
$74,851 AUD
$52,457 USD
View
Price last confirmed 64 days ago
Retailer 17
-
$75,748 AUD
$53,086 USD
View
Price last confirmed 31 days ago
B+
Retailer 18
-
$77,699 AUD
ZAR 879,691 ZAR
View
Retailer 19
-
$77,862 AUD
$54,567 USD
View
Price last confirmed 63 days ago
Most Expensive
B
MOH London
FA8C2EEE9 · Nov 1
$93,605 AUD
£51,654 GBP
View
19 more retailers have this diamond
Prices start from $50,811 AUDSave up to $42,794 AUD

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
$50,811 AUD