Radiant|Lab Grown|GCAL

3.09ct H SI1 Radiant Lab Grown Diamond

EX • H/SI1 • GCAL 322780022

Shape and cutting style on the report: Radiant brilliant

Certificate GCAL 322780022

Diamond specifications and retailer prices

From $395 USD
As of October 30, 2026
Save $3,115 USD (89%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,510 USD at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 3.09ct lab-grown radiant diamond

This 3.09ct lab-grown radiant sits in the three to five carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GCAL 322780022. Listed at 13 retailers as of October 30, 2026, with prices from $395 to $3,510, a $3,115 spread on the same certified stone. Do Amore Diamonds lists it at $3,510. 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

3.09
Carat
H
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle40°
Pavilion angle56.2°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 322780022
Dimensions10.32 × 7.02 × 4.84 mm
L/W Ratio1.47
Culet sizeNone
Top View
10.32 mm7.02 mm3.09 ctH / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGCAL 322780022
Side View
Table 56.0%Crown 40°Girdle: THK-VTKPavilion 56.2°Culet: NoneDepth 68.9%

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: Oct 30
Current: $3,510 USD|Low: $349 USD|High: $3,510 USD|Avg: $1,278 USD|+5.1%
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
November 1, 2026
Retailer 12$395 USD
Retailer 3$442 USD
Retailer 7$442 USD
Retailer 11$490 USD
Retailer 4$722 USD
Retailer 9$852 USD
Retailer 6$1,448 USD
Retailer 8$1,491 USD
Retailer 13$1,738 USD
Retailer 5$1,880 USD
Retailer 2$1,985 USD
Retailer 10$2,067 USD
Do Amore Diamonds$3,510 USD

31 data points across 13 retailers

13 retailers$395 USD to $3,510 USD

A
Cheapest Retailer
-
$395 USD
A
Retailer 2
-
$442 USD
View
A
Retailer 3
-
$442 USD
View
Final sale: no returns
B+
Retailer 4
-
$490 USD
View
B+
Retailer 5
-
$722 USD
View
A
Retailer 6
-
$852 USD
View
B+
Retailer 7
-
$1,448 USD
£1,140 GBP
View
B+
Retailer 8
-
$1,491 USD
CA$2,071 CAD
View
B+
Retailer 9
-
$1,738 USD
View
B+
Retailer 10
-
$1,880 USD
View
B+
Retailer 11
-
$1,985 USD
£1,563 GBP
View
B+
Retailer 12
-
$2,067 USD
View
Most Expensive
B
Do Amore Diamonds
27-2D54A4920 · Nov 1
$3,510 USD
View
12 more retailers have this diamond
Prices start from $395 USDSave up to $3,115 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
3.09ct Radiant
$395 USD