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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 $568 AUD
$399 USD
As of November 1, 2026
Save $2,423 AUD (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,991 AUD at Riddles Jewelry · As of October 31, 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 31, 2026, with prices from $568 to $2,991, a $2,423 spread on the same certified stone. Riddles Jewelry lists it at $2,991. 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
Colour
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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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $1,130 AUD|Low: $510 AUD|High: $2,991 AUD|Avg: $1,656 AUD|+13.2%
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
November 2, 2026
Retailer 9$568 AUD
Retailer 4$659 AUD
Retailer 12$705 AUD
Retailer 2$1,042 AUD
Retailer 10$1,118 AUD
Retailer 1$1,130 AUD
Retailer 6$1,180 AUD
Retailer 5$2,094 AUD
Retailer 8$2,157 AUD
Retailer 11$2,500 AUD
Retailer 3$2,713 AUD
Retailer 7$2,860 AUD
Riddles Jewelry$2,991 AUD

42 data points across 13 retailers

16 retailers$568 AUD to $2,991 AUD

Retailer 1
-
$531 AUD
$373 USD
Price last confirmed 39 days ago
A
Retailer 2
-
$568 AUD
$399 USD
View
Retailer 3
-
$616 AUD
$433 USD
View
Price last confirmed 39 days ago
Retailer 4
-
$651 AUD
$457 USD
View
Price last confirmed 41 days ago
A
Retailer 5
-
$705 AUD
$495 USD
View
B+
Retailer 6
-
$1,042 AUD
$732 USD
View
A
Retailer 7
-
$1,062 AUD
$746 USD
View
A
Retailer 8
-
$1,118 AUD
$785 USD
View
A
Retailer 9
-
$1,130 AUD
£625 GBP
View
B
Retailer 10
-
$2,094 AUD
£1,158 GBP
View
B+
Retailer 11
-
$2,157 AUD
CA$2,104 CAD
View
Retailer 12
-
$2,336 AUD
$1,641 USD
View
Price last confirmed 42 days ago
B
Retailer 13
-
$2,500 AUD
$1,756 USD
View
B
Retailer 14
-
$2,713 AUD
$1,906 USD
View
B
Retailer 15
-
$2,860 AUD
£1,582 GBP
View
Most Expensive
B
Riddles Jewelry
1966654477 · Oct 31
$2,991 AUD
$2,101 USD
View
15 more retailers have this diamond
Prices start from $568 AUDSave up to $2,423 AUD

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
$568 AUD