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Round|Lab Grown|GIA

3.66ct G SI1 Round Lab Grown Diamond

VG • G/SI1 • GIA 2223844444

Certificate GIA 2223844444

Diamond specifications and retailer prices

From €1,498 EUR
$1,680 USD
As of November 1, 2026
Save €2,835 EUR (65%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €4,333 EUR at The Diamond Guys · As of November 1, 2026
View at The Diamond Guys

About this 3.66ct lab-grown round diamond

This 3.66ct lab-grown round sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 2223844444. Listed at 3 retailers as of November 1, 2026, with prices from €1,498 to €4,333, a €2,835 spread on the same certified stone. The Diamond Guys lists it at €4,333. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.66
Carat
G
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginLab Grown
Grading LabGIA
CertificateGIA 2223844444
Dimensions9.84 × 9.78 × 6.07 mm
L/W Ratio1.01
Star length45%
Lower girdle75%
Girdle conditionFaceted
Culet sizeNone
Top View
9.84 mm9.78 mm3.66 ctG / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2223844444
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €1,665 EUR|Low: €1,665 EUR|High: €4,333 EUR|Avg: €2,555 EUR
Retailer 1
Retailer 2
Retailer 3
Retailer 4
The Diamond Guys
October 29, 2026
Retailer 1€1,665 EUR
Retailer 3€1,713 EUR
Retailer 4€2,161 EUR
Retailer 2€2,457 EUR
The Diamond Guys€4,333 EUR

2 data points across 5 retailers

3 retailers€1,498 EUR to €4,333 EUR

B+
Cheapest Retailer
-
€1,498 EUR
$1,680 USD
B
Retailer 2
-
€2,457 EUR
CA$3,828 CAD
View
Most Expensive
B
The Diamond Guys
1779253160 · Nov 1
€4,333 EUR
$4,860 USD
View
2 more retailers have this diamond
Prices start from €1,498 EURSave up to €2,835 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+
3.66ct Round
€1,498 EUR