Round|Lab Grown|GCAL

3.07ct G SI1 Round Lab Grown Diamond

EX • G/SI1 • GCAL 323200390

Shape and cutting style on the report: Round brilliant

Certificate GCAL 323200390

Diamond specifications and retailer prices

From $399 USD
As of October 29, 2026
Save $1,702 USD (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,101 USD at Riddles Jewelry · As of October 29, 2026
View at Riddles Jewelry

About this 3.07ct lab-grown round diamond

This 3.07ct 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 323200390. Listed at 16 retailers as of October 29, 2026, with prices from $399 to $2,101, a $1,702 spread on the same certified stone. Riddles Jewelry lists it at $2,101. 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

3.07
Carat
G
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.2°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 323200390
Dimensions9.32 × 9.35 × 5.77 mm
L/W Ratio1.00
Culet sizeNone
Top View
9.32 mm9.35 mm3.07 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL 323200390
Side View
Table 56.0%Crown 33.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: $1,471 USD|Low: $358 USD|High: $2,101 USD|Avg: $1,161 USD|-15.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Riddles Jewelry
October 30, 2026
Retailer 9$399 USD
Retailer 4$463 USD
Retailer 12$495 USD
Retailer 2$732 USD
Retailer 10$785 USD
Retailer 5$794 USD
Retailer 6$829 USD
Retailer 1$1,471 USD
Retailer 8$1,515 USD
Retailer 11$1,756 USD
Retailer 3$1,906 USD
Retailer 7$2,009 USD
Riddles Jewelry$2,101 USD

41 data points across 13 retailers

16 retailers$399 USD to $2,101 USD

Retailer 1
-
$373 USD
Price last confirmed 37 days ago
A
Retailer 2
-
$399 USD
View
Retailer 3
-
$433 USD
View
Price last confirmed 37 days ago
Retailer 4
-
$457 USD
View
Price last confirmed 39 days ago
A
Retailer 5
-
$495 USD
View
B+
Retailer 6
-
$732 USD
View
A
Retailer 7
-
$746 USD
View
A
Retailer 8
-
$785 USD
View
A
Retailer 9
-
$794 USD
£625 GBP
View
B
Retailer 10
-
$1,471 USD
£1,158 GBP
View
B+
Retailer 11
-
$1,515 USD
CA$2,104 CAD
View
Retailer 12
-
$1,641 USD
View
Price last confirmed 39 days ago
B
Retailer 13
-
$1,756 USD
View
B
Retailer 14
-
$1,906 USD
View
B
Retailer 15
-
$2,009 USD
£1,582 GBP
View
Most Expensive
B
Riddles Jewelry
1966654477 · Oct 29
$2,101 USD
View
15 more retailers have this diamond
Prices start from $399 USDSave up to $1,702 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
3.07ct Round
$399 USD