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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 $79,386 NZD
$44,742 USD
As of October 30, 2026
Save $57,423 NZD (42%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $136,808 NZD at MOH London · As of November 1, 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 30, 2026, with prices from $79,386 to $136,808, a $57,423 spread on the same certified stone. MOH London lists it at $136,808. 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: $136,808 NZD|Low: $71,790 NZD|High: $138,275 NZD|Avg: $93,885 NZD|+1.5%
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 1, 2026
Retailer 3$71,790 NZD
Retailer 5$79,165 NZD
Retailer 14$79,386 NZD
Retailer 6$79,675 NZD
Retailer 13$80,014 NZD
Retailer 16$80,253 NZD
Retailer 9$80,809 NZD
Retailer 15$84,856 NZD
Retailer 12$87,650 NZD
Retailer 7$88,978 NZD
Retailer 17$93,462 NZD
Retailer 8$98,215 NZD
Retailer 4$101,174 NZD
Retailer 2$102,587 NZD
Retailer 11$113,561 NZD
Retailer 10$118,864 NZD
MOH London$136,808 NZD

29 data points across 17 retailers

16 retailers$79,386 NZD to $136,808 NZD

Retailer 1
-
$71,790 NZD
HK$316,100 HKD
Price last confirmed 23 days ago
Retailer 2
-
$79,165 NZD
SGD 60,294 SGD
View
Price last confirmed 25 days ago
B+
Retailer 3
-
$79,386 NZD
$44,742 USD
View
Retailer 4
-
$79,675 NZD
€42,767 EUR
View
Price last confirmed 25 days ago
A
Retailer 5
-
$80,014 NZD
$45,096 USD
View
B+
Retailer 6
-
$80,253 NZD
$45,231 USD
View
B+
Retailer 7
-
$84,856 NZD
$47,825 USD
View
B+
Retailer 8
-
$87,650 NZD
£38,898 GBP
View
Retailer 9
-
$88,978 NZD
$50,148 USD
View
Price last confirmed 29 days ago
B+
Retailer 10
-
$93,462 NZD
$52,675 USD
View
Retailer 11
-
$98,215 NZD
$55,354 USD
View
Price last confirmed 32 days ago
Retailer 12
-
$101,174 NZD
$57,022 USD
View
Price last confirmed 25 days ago
B+
Retailer 13
-
$102,587 NZD
€55,065 EUR
View
B
Retailer 14
-
$113,561 NZD
ZAR 1,033,975 ZAR
View
B
Retailer 15
-
$118,864 NZD
£52,750 GBP
View
Most Expensive
B
MOH London
B33A160BC · Nov 1
$136,808 NZD
£60,713 GBP
View
15 more retailers have this diamond
Prices start from $79,386 NZDSave up to $57,423 NZD

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
$79,386 NZD