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Oval|Lab Grown|GCAL

1.55ct F SI1 Oval Lab Grown Diamond

EX • F/SI1 • GCAL 330310150

Shape and cutting style on the report: Oval brilliant

Certificate GCAL 330310150

Diamond specifications and retailer prices

From $423 NZD
$238 USD
As of November 1, 2026
Save $3,629 NZD (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $4,052 NZD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.55ct lab-grown oval diamond

This 1.55ct 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 top-tier cut grade and certified by GCAL 330310150. Listed at 16 retailers as of November 1, 2026, with prices from $423 to $4,052, a $3,629 spread on the same certified stone. Do Amore Diamonds lists it at $4,052. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.55
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35°
Pavilion angle40°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 330310150
Dimensions9.23 × 6.48 × 4.02 mm
L/W Ratio1.42
Culet sizeNone
Top View
9.23 mm6.48 mm1.55 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGCAL 330310150
Side View
Table 58.0%Crown 35°Girdle: STK-THKPavilion 40°Culet: NoneDepth 62.0%

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 1
Current: $4,052 NZD|Low: $377 NZD|High: $4,052 NZD|Avg: $1,296 NZD|+7.5%
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
Retailer 15
Retailer 16
November 2, 2026
Retailer 14$423 NZD
Retailer 5$473 NZD
Retailer 12$491 NZD
Retailer 4$524 NZD
Retailer 6$524 NZD
Retailer 16$682 NZD
Retailer 7$778 NZD
Retailer 9$972 NZD
Retailer 10$1,143 NZD
Retailer 2$1,422 NZD
Retailer 13$1,666 NZD
Retailer 15$1,857 NZD
Retailer 3$1,967 NZD
Retailer 8$2,156 NZD
Retailer 11$2,327 NZD
Do Amore Diamonds$4,052 NZD

43 data points across 16 retailers

16 retailers$423 NZD to $4,052 NZD

A
Cheapest Retailer
-
$423 NZD
$238 USD
A
Retailer 2
-
$473 NZD
$266 USD
View
Final sale: no returns
A
Retailer 3
-
$491 NZD
$276 USD
View
A
Retailer 4
-
$524 NZD
$295 USD
View
Retailer 5
-
$524 NZD
$295 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$682 NZD
$384 USD
View
B+
Retailer 7
-
$778 NZD
$438 USD
View
A
Retailer 8
-
$972 NZD
£431 GBP
View
A
Retailer 9
-
$1,029 NZD
$579 USD
View
B+
Retailer 10
-
$1,422 NZD
£630 GBP
View
B
Retailer 11
-
$1,666 NZD
CA$1,302 CAD
View
B+
Retailer 12
-
$1,857 NZD
$1,045 USD
View
B
Retailer 13
-
$1,967 NZD
$1,107 USD
View
B
Retailer 14
-
$2,156 NZD
$1,213 USD
View
B
Retailer 15
-
$2,327 NZD
£1,031 GBP
View
Most Expensive
B
Do Amore Diamonds
27-F68CDCAD8 · Nov 2
$4,052 NZD
$2,280 USD
View
15 more retailers have this diamond
Prices start from $423 NZDSave up to $3,629 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
1.55ct Oval
$423 NZD