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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 HK$279,396 HKD
As of November 1, 2026
Save HK$235,312 HKD (46%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$514,709 HKD 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 HK$279,396 to HK$514,709, a HK$235,312 spread on the same certified stone. MOH London lists it at HK$514,709. 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: HK$514,709 HKD|Low: HK$279,396 HKD|High: HK$530,154 HKD|Avg: HK$370,943 HKD|-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 10HK$279,396 HKD
Retailer 3HK$313,600 HKD
Retailer 4HK$321,295 HKD
Retailer 6HK$329,624 HKD
Retailer 13HK$332,604 HKD
Retailer 12HK$333,467 HKD
Retailer 9HK$352,486 HKD
Retailer 2HK$360,868 HKD
Retailer 5HK$370,242 HKD
Retailer 7HK$398,121 HKD
Retailer 11HK$405,153 HKD
Retailer 8HK$427,243 HKD
MOH LondonHK$514,709 HKD

35 data points across 13 retailers

20 retailersHK$279,396 HKD to HK$514,709 HKD

A
Cheapest Retailer
-
HK$279,396 HKD
Retailer 2
-
HK$313,600 HKD
SGD 54,012 SGD
View
Price last confirmed 23 days ago
Retailer 3
-
HK$321,295 HKD
A$62,999 AUD
View
Price last confirmed 29 days ago
B+
Retailer 4
-
HK$329,624 HKD
£33,080 GBP
View
B+
Retailer 5
-
HK$332,604 HKD
$42,391 USD
View
B+
Retailer 6
-
HK$333,467 HKD
$42,501 USD
View
Final sale: no returns
B+
Retailer 7
-
HK$352,486 HKD
$44,925 USD
View
Retailer 8
-
HK$353,051 HKD
$44,997 USD
View
Price last confirmed 35 days ago
Retailer 9
-
HK$358,535 HKD
$45,696 USD
View
Price last confirmed 65 days ago
B+
Retailer 10
-
HK$360,868 HKD
£36,215 GBP
View
Retailer 11
-
HK$370,242 HKD
$47,188 USD
View
Price last confirmed 21 days ago
Retailer 12
-
HK$385,667 HKD
$49,154 USD
View
Price last confirmed 33 days ago
B+
Retailer 13
-
HK$398,121 HKD
€48,325 EUR
View
Retailer 14
-
HK$401,093 HKD
$51,120 USD
View
Price last confirmed 32 days ago
B
Retailer 15
-
HK$405,153 HKD
$51,638 USD
View
Retailer 16
-
HK$411,583 HKD
$52,457 USD
View
Price last confirmed 64 days ago
Retailer 17
-
HK$416,518 HKD
$53,086 USD
View
Price last confirmed 31 days ago
B+
Retailer 18
-
HK$427,243 HKD
ZAR 879,691 ZAR
View
Retailer 19
-
HK$428,138 HKD
$54,567 USD
View
Price last confirmed 63 days ago
Most Expensive
B
MOH London
FA8C2EEE9 · Nov 1
HK$514,709 HKD
£51,654 GBP
View
19 more retailers have this diamond
Prices start from HK$279,396 HKDSave up to HK$235,312 HKD

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
HK$279,396 HKD