Round|Lab Grown|GCAL

3.00ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • GCAL 331030120

Shape and cutting style on the report: Round brilliant

Certificate GCAL 331030120

Diamond specifications and retailer prices

From $391 USD
As of November 1, 2026
Save $3,079 USD (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,470 USD at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

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 GCAL 331030120. Listed at 17 retailers as of November 1, 2026, with prices from $391 to $3,470, a $3,079 spread on the same certified stone. Do Amore Diamonds lists it at $3,470. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.2°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 331030120
Dimensions9.22 × 9.26 × 5.75 mm
L/W Ratio1.00
Culet sizeNone
Top View
9.22 mm9.26 mm3.00 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL 331030120
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $3,470 USD|Low: $350 USD|High: $3,470 USD|Avg: $1,215 USD|+4.5%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 1, 2026
Retailer 10$391 USD
Retailer 14$437 USD
Retailer 6$453 USD
Retailer 3$484 USD
Retailer 4$718 USD
Retailer 11$752 USD
Retailer 7$776 USD
Retailer 9$1,480 USD
Retailer 8$1,673 USD
Retailer 13$1,718 USD
Retailer 5$1,869 USD
Retailer 2$1,963 USD
Retailer 12$2,053 USD
Do Amore Diamonds$3,470 USD

42 data points across 14 retailers

17 retailers$391 USD to $3,470 USD

Retailer 1
-
$365 USD
Price last confirmed 40 days ago
A
Retailer 2
-
$391 USD
View
Retailer 3
-
$423 USD
View
Price last confirmed 38 days ago
A
Retailer 4
-
$437 USD
View
Final sale: no returns
Retailer 5
-
$447 USD
View
Price last confirmed 40 days ago
A
Retailer 6
-
$484 USD
View
B+
Retailer 7
-
$718 USD
View
A
Retailer 8
-
$752 USD
View
A
Retailer 9
-
$776 USD
£611 GBP
View
B
Retailer 10
-
$1,480 USD
CA$2,055 CAD
View
Retailer 11
-
$1,606 USD
View
Price last confirmed 41 days ago
B
Retailer 12
-
$1,673 USD
£1,317 GBP
View
B
Retailer 13
-
$1,718 USD
View
B
Retailer 14
-
$1,869 USD
View
B
Retailer 15
-
$1,963 USD
£1,546 GBP
View
B
Retailer 16
-
$2,053 USD
View
Most Expensive
B
Do Amore Diamonds
27-794AE4260 · Nov 1
$3,470 USD
View
16 more retailers have this diamond
Prices start from $391 USDSave up to $3,079 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
3.00ct Round
$391 USD