Round|Natural|GIA

3.12ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 6552614190

Certificate GIA 6552614190

Diamond specifications and retailer prices

From €43,398 EUR
$48,484 USD
As of November 1, 2026
Save €5,110 EUR (11%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €48,508 EUR at Moon Ocean · As of November 2, 2026
View at Moon Ocean

About this 3.12ct natural round diamond

This 3.12ct natural round sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6552614190. Listed at 3 retailers as of November 1, 2026, with a relatively tight 12% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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
G
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6552614190
Dimensions9.25 × 9.31 × 5.80 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Twinning Wisp, Feather, Crystal
Top View
9.25 mm9.31 mm3.12 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 6552614190
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°CuletDepth 62.5%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €48,508 EUR|Low: €27,846 EUR|High: €62,603 EUR|Avg: €38,814 EUR
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 4€27,846 EUR
Retailer 3€29,761 EUR
Retailer 6€33,759 EUR
Retailer 9€35,744 EUR
Retailer 8€38,754 EUR
Retailer 7€40,245 EUR
Retailer 2€43,398 EUR
Moon Ocean€48,508 EUR
Retailer 5€62,603 EUR

7 data points across 9 retailers

3 retailers€43,398 EUR to €48,508 EUR

Retailer 1
-
€27,846 EUR
$31,110 USD
Price last confirmed 15 days ago
B
Retailer 2
-
€43,398 EUR
$48,484 USD
View
Most Expensive
Moon Ocean
NVN-21D5EE5CD-190 · Nov 2
€48,508 EUR
£42,672 GBP
View
2 more retailers have this diamond
Prices start from €43,398 EURSave up to €5,110 EUR

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
€43,398 EUR