CaratHunter
Plans
Princess|Lab Grown|GCAL

1.51ct G SI1 Princess Lab Grown Diamond

VG • G/SI1 • GCAL 321590009

Shape and cutting style on the report: Princess

Certificate GCAL 321590009

Diamond specifications and retailer prices

From $193 USD
As of November 2, 2026
Save $1,657 USD (90%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,850 USD at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

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 321590009. Listed at 14 retailers as of November 1, 2026, with prices from $193 to $1,850, a $1,657 spread on the same certified stone. Do Amore Diamonds lists it at $1,850. 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
Crown angle41.5°
Pavilion angle36.4°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 321590009
Dimensions6.26 × 6.24 × 4.35 mm
L/W Ratio1.00
Culet sizeNone
Top View
6.26 mm6.24 mm1.51 ctG / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGCAL 321590009
Side View
Table 67.0%Crown 41.5°Girdle: THK-THKPavilion 36.4°Culet: NoneDepth 69.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $1,850 USD|Low: $171 USD|High: $1,850 USD|Avg: $629 USD|+4.5%
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
Retailer 14
November 2, 2026
Retailer 6$193 USD
Retailer 14$216 USD
Retailer 13$239 USD
Retailer 3$355 USD
Retailer 11$370 USD
Retailer 7$425 USD
Retailer 9$438 USD
Retailer 2$632 USD
Retailer 10$740 USD
Retailer 4$848 USD
Retailer 12$873 USD
Retailer 5$1,020 USD
Retailer 8$1,058 USD
Do Amore Diamonds$1,850 USD

46 data points across 14 retailers

14 retailers$193 USD to $1,850 USD

A
Cheapest Retailer
-
$193 USD
B+
Retailer 2
-
$216 USD
View
Final sale: no returns
B+
Retailer 3
-
$239 USD
View
B
Retailer 4
-
$355 USD
View
B+
Retailer 5
-
$370 USD
View
B+
Retailer 6
-
$394 USD
View
B+
Retailer 7
-
$425 USD
£335 GBP
View
B
Retailer 8
-
$632 USD
£498 GBP
View
B
Retailer 9
-
$740 USD
CA$1,028 CAD
View
B
Retailer 10
-
$848 USD
View
B
Retailer 11
-
$873 USD
View
B
Retailer 12
-
$1,020 USD
View
B
Retailer 13
-
$1,058 USD
£833 GBP
View
Most Expensive
C
Do Amore Diamonds
27-C19266312 · Nov 1
$1,850 USD
View
13 more retailers have this diamond
Prices start from $193 USDSave up to $1,657 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
1.51ct Princess
$193 USD