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Princess|Lab Grown|GCAL

1.51ct G SI1 Princess Lab Grown Diamond

VG • G/SI1

Diamond specifications and retailer prices

From $224 USD
As of October 31, 2026
Save $1,115 USD (83%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,339 USD at Diamond Exchange Canada · As of November 2, 2026
View at Diamond Exchange Canada

About this 1.51ct lab-grown princess diamond

This 1.51ct lab-grown princess sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GCAL. Listed at 6 retailers as of October 31, 2026, with prices from $224 to $1,339, a $1,115 spread on the same certified stone. Diamond Exchange Canada lists it at $1,339. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
G
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabGCAL
Dimensions6.26 × 6.24 × 4.35 mm
L/W Ratio1.00
Top View
6.26 mm6.24 mm1.51 ctG / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGCAL
Side View
Table 67.0%CrownGirdle: ThickPavilionCuletDepth 69.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $1,339 USD|Low: $178 USD|High: $1,339 USD|Avg: $473 USD
Diamond Exchange Canada
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 20, 2026
Retailer 4$178 USD
Retailer 5$218 USD
Retailer 2$224 USD
Retailer 3$239 USD
Diamond Exchange Canada$1,339 USD

8 data points across 5 retailers

6 retailers$224 USD to $1,339 USD

Retailer 1
-
$178 USD
Price last confirmed 41 days ago
Retailer 2
-
$207 USD
View
Price last confirmed 40 days ago
Retailer 3
-
$218 USD
View
Price last confirmed 40 days ago
B+
Retailer 4
-
$224 USD
View
Retailer 5
-
$239 USD
View
Price last confirmed 8 days ago
Most Expensive
C
Diamond Exchange Canada
1986532075 · Nov 2
$1,339 USD
CA$1,859 CAD
View
5 more retailers have this diamond
Prices start from $224 USDSave up to $1,115 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.

B+
1.51ct Princess
$224 USD