Round|Natural|GIA

3.12ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 6552614190

Certificate GIA 6552614190

Diamond specifications and retailer prices

From €43,227 EUR
$48,484 USD
As of November 1, 2026
Save €5,090 EUR (11%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €48,317 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
Colour
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: €48,317 EUR|Low: €27,737 EUR|High: €62,357 EUR|Avg: €38,661 EUR
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 4€27,737 EUR
Retailer 3€29,645 EUR
Retailer 6€33,627 EUR
Retailer 9€35,603 EUR
Retailer 8€38,602 EUR
Retailer 7€40,087 EUR
Retailer 2€43,227 EUR
Moon Ocean€48,317 EUR
Retailer 5€62,357 EUR

7 data points across 9 retailers

3 retailers€43,227 EUR to €48,317 EUR

Retailer 1
-
€27,737 EUR
$31,110 USD
Price last confirmed 15 days ago
B
Retailer 2
-
€43,227 EUR
$48,484 USD
View
Most Expensive
B
Moon Ocean
NVN-21D5EE5CD-190 · Nov 2
€48,317 EUR
£42,672 GBP
View
2 more retailers have this diamond
Prices start from €43,227 EURSave up to €5,090 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
€43,227 EUR