Princess|Lab Grown|GCAL

3.00ct H SI1 Princess Lab Grown Diamond

EX • H/SI1 • GCAL 331010276

Shape and cutting style on the report: Princess

Certificate GCAL 331010276

Diamond specifications and retailer prices

From $399 USD
As of October 30, 2026
Save $1,700 USD (81%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,099 USD at Riddles Jewelry · As of October 31, 2026
View at Riddles Jewelry

About this 3ct lab-grown princess diamond

This 3ct lab-grown princess 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 331010276. Listed at 13 retailers as of October 30, 2026, with prices from $399 to $2,099, a $1,700 spread on the same certified stone. Riddles Jewelry lists it at $2,099. 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
H
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle43.5°
Pavilion angle37.4°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 331010276
Dimensions7.79 × 7.63 × 5.50 mm
L/W Ratio1.02
Culet sizeNone
Top View
7.79 mm7.63 mm3.00 ctH / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGCAL 331010276
Side View
Table 67.0%Crown 43.5°Girdle: THK-VTKPavilion 37.4°Culet: NoneDepth 72.0%

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: $1,711 USD|Low: $356 USD|High: $2,099 USD|Avg: $1,234 USD|+9.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Riddles Jewelry
October 30, 2026
Retailer 7$399 USD
Retailer 9$447 USD
Retailer 6$494 USD
Retailer 10$732 USD
Retailer 5$810 USD
Retailer 4$1,514 USD
Retailer 1$1,711 USD
Retailer 8$1,754 USD
Retailer 2$1,904 USD
Retailer 3$2,008 USD
Riddles Jewelry$2,099 USD

32 data points across 11 retailers

13 retailers$399 USD to $2,099 USD

Retailer 1
-
$371 USD
Price last confirmed 39 days ago
A
Retailer 2
-
$399 USD
View
A
Retailer 3
-
$447 USD
View
Final sale: no returns
Retailer 4
-
$454 USD
View
Price last confirmed 38 days ago
A
Retailer 5
-
$494 USD
View
B+
Retailer 6
-
$732 USD
View
A
Retailer 7
-
$810 USD
View
B+
Retailer 8
-
$1,514 USD
CA$2,103 CAD
View
B+
Retailer 9
-
$1,711 USD
£1,347 GBP
View
B+
Retailer 10
-
$1,754 USD
View
B
Retailer 11
-
$1,904 USD
View
B+
Retailer 12
-
$2,008 USD
£1,581 GBP
View
Most Expensive
B
Riddles Jewelry
1966654840 · Oct 31
$2,099 USD
View
12 more retailers have this diamond
Prices start from $399 USDSave up to $1,700 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 Princess
$399 USD