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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 $63,695 AUD
$44,742 USD
As of October 30, 2026
Save $46,662 AUD (42%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $110,357 AUD at MOH London · As of October 29, 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 October 29, 2026, with prices from $63,695 to $110,357, a $46,662 spread on the same certified stone. MOH London lists it at $110,357. 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 →
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: $110,357 AUD|Low: $57,600 AUD|High: $110,944 AUD|Avg: $75,277 AUD|+2.0%
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
October 31, 2026
Retailer 3$57,600 AUD
Retailer 5$63,518 AUD
Retailer 14$63,695 AUD
Retailer 6$63,927 AUD
Retailer 12$64,199 AUD
Retailer 16$64,391 AUD
Retailer 9$64,836 AUD
Retailer 15$68,084 AUD
Retailer 2$70,326 AUD
Retailer 7$71,391 AUD
Retailer 17$74,988 AUD
Retailer 8$78,802 AUD
Retailer 4$81,177 AUD
Retailer 10$82,892 AUD
Retailer 13$90,630 AUD
Retailer 11$95,656 AUD
MOH London$110,357 AUD

29 data points across 17 retailers

16 retailers$63,695 AUD to $110,357 AUD

Retailer 1
-
$57,600 AUD
HK$316,100 HKD
Price last confirmed 22 days ago
Retailer 2
-
$63,518 AUD
SGD 60,294 SGD
View
Price last confirmed 24 days ago
B+
Retailer 3
-
$63,695 AUD
$44,742 USD
View
Retailer 4
-
$63,927 AUD
€42,767 EUR
View
Price last confirmed 24 days ago
A
Retailer 5
-
$64,199 AUD
$45,096 USD
View
B+
Retailer 6
-
$64,391 AUD
$45,231 USD
View
B+
Retailer 7
-
$68,084 AUD
$47,825 USD
View
B+
Retailer 8
-
$70,326 AUD
£38,898 GBP
View
Retailer 9
-
$71,391 AUD
$50,148 USD
View
Price last confirmed 28 days ago
B+
Retailer 10
-
$74,988 AUD
$52,675 USD
View
Retailer 11
-
$78,802 AUD
$55,354 USD
View
Price last confirmed 31 days ago
Retailer 12
-
$81,177 AUD
$57,022 USD
View
Price last confirmed 24 days ago
B+
Retailer 13
-
$82,892 AUD
€55,454 EUR
View
B
Retailer 14
-
$90,630 AUD
ZAR 1,028,479 ZAR
View
B
Retailer 15
-
$95,656 AUD
£52,908 GBP
View
Most Expensive
B
MOH London
B33A160BC · Oct 29
$110,357 AUD
£61,039 GBP
View
15 more retailers have this diamond
Prices start from $63,695 AUDSave up to $46,662 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
3.12ct Round
$63,695 AUD