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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 $343 NZD
As of November 6, 2026
Save $2,948 NZD (90%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,291 NZD at Do Amore Diamonds · As of November 6, 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 6, 2026, with prices from $343 to $3,291, a $2,948 spread on the same certified stone. Do Amore Diamonds lists it at $3,291. 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
Colour
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $3,291 NZD|Low: $304 NZD|High: $3,291 NZD|Avg: $1,126 NZD|+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 6, 2026
Retailer 6$343 NZD
Retailer 14$384 NZD
Retailer 13$425 NZD
Retailer 3$632 NZD
Retailer 11$658 NZD
Retailer 2$685 NZD
Retailer 8$754 NZD
Retailer 7$1,119 NZD
Retailer 10$1,315 NZD
Retailer 4$1,509 NZD
Retailer 12$1,553 NZD
Retailer 5$1,813 NZD
Retailer 9$1,877 NZD
Do Amore Diamonds$3,291 NZD

46 data points across 14 retailers

14 retailers$343 NZD to $3,291 NZD

A
Cheapest Retailer
-
$343 NZD
B+
Retailer 2
-
$384 NZD
View
Final sale: no returns
B+
Retailer 3
-
$425 NZD
View
B
Retailer 4
-
$632 NZD
View
B+
Retailer 5
-
$658 NZD
View
A
Retailer 6
-
$685 NZD
View
B+
Retailer 7
-
$754 NZD
View
B+
Retailer 8
-
$1,119 NZD
View
B
Retailer 9
-
$1,315 NZD
View
B
Retailer 10
-
$1,509 NZD
View
B
Retailer 11
-
$1,553 NZD
View
B
Retailer 12
-
$1,813 NZD
View
B
Retailer 13
-
$1,877 NZD
View
Most Expensive
C
Do Amore Diamonds
27-C19266312 · Nov 6
$3,291 NZD
$1,850 USD
View
13 more retailers have this diamond
Prices start from $343 NZDSave up to $2,948 NZD

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
$343 NZD