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Round|Natural|GIA

3.12ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 6552357165

Certificate GIA 6552357165

Diamond specifications and retailer prices

From HK$351,010 HKD
As of November 4, 2026
Save HK$252,284 HKD (42%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$603,294 HKD at MOH London · As of November 4, 2026
View at MOH London

About this 3.12ct natural round diamond

This 3.12ct 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 6552357165. Listed at 16 retailers as of November 4, 2026, with prices from HK$351,010 to HK$603,294, a HK$252,284 spread on the same certified stone. MOH London lists it at HK$603,294. 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

3.12
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6552357165
Dimensions9.30 × 9.35 × 5.81 mm
L/W Ratio1.01
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
9.30 mm9.35 mm3.12 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552357165
Side View
Table 56.0%CrownGirdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: HK$603,294 HKD|Low: HK$317,417 HKD|High: HK$611,394 HKD|Avg: HK$417,943 HKD|+0.2%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 6, 2026
Retailer 3HK$317,417 HKD
Retailer 5HK$350,029 HKD
Retailer 14HK$351,010 HKD
Retailer 6HK$352,281 HKD
Retailer 13HK$353,787 HKD
Retailer 16HK$354,838 HKD
Retailer 9HK$357,302 HKD
Retailer 15HK$375,197 HKD
Retailer 10HK$383,740 HKD
Retailer 7HK$393,421 HKD
Retailer 17HK$413,246 HKD
Retailer 8HK$434,263 HKD
Retailer 4HK$447,349 HKD
Retailer 12HK$451,632 HKD
Retailer 2HK$498,641 HKD
Retailer 11HK$522,326 HKD
MOH LondonHK$603,294 HKD

29 data points across 17 retailers

16 retailersHK$351,010 HKD to HK$603,294 HKD

Retailer 1
-
HK$317,417 HKD
Price last confirmed 29 days ago
Retailer 2
-
HK$350,029 HKD
View
Price last confirmed 30 days ago
B+
Retailer 3
-
HK$351,010 HKD
View
Retailer 4
-
HK$352,281 HKD
View
Price last confirmed 31 days ago
B+
Retailer 5
-
HK$353,787 HKD
View
B+
Retailer 6
-
HK$354,838 HKD
View
B+
Retailer 7
-
HK$375,197 HKD
View
B+
Retailer 8
-
HK$383,740 HKD
View
Retailer 9
-
HK$393,421 HKD
View
Price last confirmed 34 days ago
B+
Retailer 10
-
HK$413,246 HKD
View
Retailer 11
-
HK$434,263 HKD
View
Price last confirmed 38 days ago
Retailer 12
-
HK$447,349 HKD
View
Price last confirmed 30 days ago
B+
Retailer 13
-
HK$451,632 HKD
View
B+
Retailer 14
-
HK$498,641 HKD
View
B
Retailer 15
-
HK$522,326 HKD
View
Most Expensive
B
MOH London
B33A160BC · Nov 4
HK$603,294 HKD
£60,551 GBP
View
15 more retailers have this diamond
Prices start from HK$351,010 HKDSave up to HK$252,284 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.

B+
3.12ct Round
HK$351,010 HKD