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Marquise|Natural|GIA

3.12ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 10057224

Certificate GIA 10057224

Diamond specifications and retailer prices

From $45,819 USD
As of November 2, 2026
Save $36,571 USD (44%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $82,390 USD at MOH London · As of November 2, 2026
View at MOH London

About this 3.12ct natural marquise diamond

This 3.12ct natural marquise sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 10057224. Listed at 12 retailers as of November 2, 2026, with prices from $45,819 to $82,390, a $36,571 spread on the same certified stone. MOH London lists it at $82,390. 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 (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 10057224
Dimensions15.04 × 7.88 × 4.58 mm
L/W Ratio1.91
Culet sizeNone
Top View
15.04 mm7.88 mm3.12 ctD / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceFaint
CertificateGIA 10057224
Side View
Table 56.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 58.1%

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 2
Current: $82,390 USD|Low: $45,819 USD|High: $83,383 USD|Avg: $58,158 USD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 6$45,819 USD
Retailer 2$48,192 USD
Retailer 5$52,098 USD
Retailer 4$53,739 USD
Retailer 3$62,606 USD
MOH London$82,390 USD

46 data points across 6 retailers

12 retailers$45,819 USD to $82,390 USD

A
Cheapest Retailer
-
$45,819 USD
A
Retailer 2
-
$48,192 USD
₹4,589,705 INR
View
B+
Retailer 3
-
$50,738 USD
A$78,059 AUD
View
B+
Retailer 4
-
$52,098 USD
View
Final sale: no returns
B+
Retailer 5
-
$53,049 USD
View
B+
Retailer 6
-
$53,739 USD
£42,314 GBP
View
B+
Retailer 7
-
$55,280 USD
View
B+
Retailer 8
-
$55,280 USD
View
B
Retailer 9
-
$57,120 USD
View
B
Retailer 10
-
$59,202 USD
View
B
Retailer 11
-
$62,606 USD
€59,625 EUR
View
Most Expensive
B
MOH London
4BEEB8DCB · Nov 2
$82,390 USD
£64,874 GBP
View
11 more retailers have this diamond
Prices start from $45,819 USDSave up to $36,571 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 Marquise
$45,819 USD