Princess|Lab Grown|GCAL

1.59ct F SI1 Princess Lab Grown Diamond

VG • F/SI1 • GCAL 320120354

Shape and cutting style on the report: Princess

Certificate GCAL 320120354

Diamond specifications and retailer prices

From $380 USD
As of November 1, 2026
Save $755 USD (67%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,135 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.59ct lab-grown princess diamond

This 1.59ct lab-grown princess sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GCAL 320120354. Listed at 8 retailers as of October 29, 2026, with prices from $380 to $1,135, a $755 spread on the same certified stone. MOH London lists it at $1,135. 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

1.59
Carat
F
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle42°
Pavilion angle38°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 320120354
Dimensions6.32 × 6.28 × 4.51 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.32 mm6.28 mm1.59 ctF / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGCAL 320120354
Side View
Table 67.0%Crown 42°Girdle: MED-STKPavilion 38°Culet: NoneDepth 71.9%

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: Nov 1
Current: $1,135 USD|Low: $319 USD|High: $1,135 USD|Avg: $699 USD|+7.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 7$380 USD
Retailer 5$394 USD
Retailer 3$458 USD
Retailer 2$682 USD
Retailer 4$798 USD
Retailer 6$942 USD
Retailer 8$1,078 USD
MOH London$1,135 USD

43 data points across 8 retailers

8 retailers$380 USD to $1,135 USD

B+
Cheapest Retailer
-
$380 USD
A
Retailer 2
-
$394 USD
View
B+
Retailer 3
-
$458 USD
£361 GBP
View
B
Retailer 4
-
$682 USD
£537 GBP
View
B
Retailer 5
-
$798 USD
CA$1,109 CAD
View
B
Retailer 6
-
$942 USD
View
B
Retailer 7
-
$1,078 USD
View
Most Expensive
B
MOH London
320120354 · Oct 29
$1,135 USD
£894 GBP
View
7 more retailers have this diamond
Prices start from $380 USDSave up to $755 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
1.59ct Princess
$380 USD