Round|Lab Grown|GIA

3.00ct G SI1 Round Lab Grown Diamond

EX • G/SI1 • GIA 1226939069

Certificate GIA 1226939069

Diamond specifications and retailer prices

From $1,377 USD
As of November 1, 2026
Save $2,607 USD (65%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $3,984 USD at The Diamond Guys · As of November 1, 2026
View at The Diamond Guys

About this 3ct lab-grown round diamond

This 3ct lab-grown 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 1226939069. Listed at 3 retailers as of November 1, 2026, with prices from $1,377 to $3,984, a $2,607 spread on the same certified stone. The Diamond Guys lists it at $3,984. 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

3.00
Carat
G
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 1226939069
Dimensions9.20 × 9.16 × 5.71 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
9.20 mm9.16 mm3.00 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1226939069
Side View
Table 57.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.2%

Caratlytics Score

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

Price History

Last verified: Nov 1
Current: $1,530 USD|Low: $1,530 USD|High: $3,984 USD|Avg: $3,004 USD
Retailer 1
Retailer 2
The Diamond Guys
October 29, 2026
Retailer 1$1,530 USD
Retailer 2$2,761 USD
The Diamond Guys$3,984 USD

2 data points across 3 retailers

3 retailers$1,377 USD to $3,984 USD

B+
Cheapest Retailer
-
$1,377 USD
B
Retailer 2
-
$2,761 USD
CA$3,835 CAD
View
Most Expensive
B
The Diamond Guys
1779253158 · Nov 1
$3,984 USD
View
2 more retailers have this diamond
Prices start from $1,377 USDSave up to $2,607 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.

B+
3.00ct Round
$1,377 USD