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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 $44,742 USD
As of November 1, 2026
Save $32,364 USD (42%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $77,106 USD 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 November 1, 2026, with prices from $44,742 to $77,106, a $32,364 spread on the same certified stone. MOH London lists it at $77,106. 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
Color
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: Nov 1
Current: $77,106 USD|Low: $40,461 USD|High: $77,932 USD|Avg: $52,948 USD|+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 2, 2026
Retailer 3$40,461 USD
Retailer 5$44,618 USD
Retailer 14$44,742 USD
Retailer 6$44,905 USD
Retailer 13$45,096 USD
Retailer 16$45,231 USD
Retailer 9$45,544 USD
Retailer 15$47,825 USD
Retailer 2$48,990 USD
Retailer 7$50,148 USD
Retailer 17$52,675 USD
Retailer 8$55,354 USD
Retailer 4$57,022 USD
Retailer 10$57,818 USD
Retailer 12$64,003 USD
Retailer 11$66,992 USD
MOH London$77,106 USD

29 data points across 17 retailers

16 retailers$44,742 USD to $77,106 USD

Retailer 1
-
$40,461 USD
HK$316,100 HKD
Price last confirmed 24 days ago
Retailer 2
-
$44,618 USD
SGD 60,294 SGD
View
Price last confirmed 25 days ago
B+
Retailer 3
-
$44,742 USD
View
Retailer 4
-
$44,905 USD
€42,767 EUR
View
Price last confirmed 26 days ago
A
Retailer 5
-
$45,096 USD
View
B+
Retailer 6
-
$45,231 USD
View
B+
Retailer 7
-
$47,825 USD
View
B+
Retailer 8
-
$48,990 USD
£38,575 GBP
View
Retailer 9
-
$50,148 USD
View
Price last confirmed 29 days ago
B+
Retailer 10
-
$52,675 USD
View
Retailer 11
-
$55,354 USD
View
Price last confirmed 33 days ago
Retailer 12
-
$57,022 USD
View
Price last confirmed 25 days ago
B+
Retailer 13
-
$57,818 USD
€55,065 EUR
View
B
Retailer 14
-
$64,003 USD
ZAR 1,033,975 ZAR
View
B
Retailer 15
-
$66,992 USD
£52,750 GBP
View
Most Expensive
B
MOH London
B33A160BC · Nov 1
$77,106 USD
£60,713 GBP
View
15 more retailers have this diamond
Prices start from $44,742 USDSave up to $32,364 USD

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
$44,742 USD