Oval|Lab Grown

1.50ct F SI1 Oval Lab Grown Diamond

GD • F/SI1 • 54355066B0

Diamond specifications and retailer prices

From £216 GBP
$289 USD
As of November 1, 2026
Save £643 GBP (75%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £859 GBP at NZ Jewellers · As of October 31, 2026
View at NZ Jewellers

About this 1.5ct lab-grown oval diamond

This 1.5ct lab-grown oval sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade. Listed at 4 retailers as of October 31, 2026, with prices from £216 to £859, a £643 spread on the same certified stone. NZ Jewellers lists it at £859. 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

1.50
Carat
F
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading Lab
Certificate54355066B0
Dimensions9.35 × 6.56 × 3.91 mm
L/W Ratio1.43
Top View
9.35 mm6.56 mm1.50 ctF / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Certificate54355066B0
Side View
Table 67.3%CrownGirdlePavilionCulet: NoneDepth 59.6%

Caratlytics Score

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

Price History

Last verified: Nov 1
Current: £859 GBP|Low: £207 GBP|High: £859 GBP|Avg: £334 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 10, 2026
Retailer 2£216 GBP
Retailer 4£250 GBP
Retailer 3£267 GBP
Retailer 5£267 GBP
NZ Jewellers£859 GBP

7 data points across 5 retailers

4 retailers£216 GBP to £859 GBP

B+
Cheapest Retailer
-
£216 GBP
$289 USD
B+
Retailer 2
-
£250 GBP
$335 USD
View
B+
Retailer 3
-
£267 GBP
$358 USD
View
Most Expensive
C
NZ Jewellers
792baf6e-98bd-409a-b0c6-31725685a7d9 · Oct 31
£859 GBP
$1,151 USD
View
3 more retailers have this diamond
Prices start from £216 GBPSave up to £643 GBP

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+
1.50ct Oval
£216 GBP