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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 $340 AUD
$238 USD
As of November 1, 2026
Save $2,914 AUD (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,253 AUD 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 $340 to $3,253, a $2,914 spread on the same certified stone. Do Amore Diamonds lists it at $3,253. 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: $3,253 AUD|Low: $303 AUD|High: $3,253 AUD|Avg: $1,041 AUD|+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$340 AUD
Retailer 5$380 AUD
Retailer 12$394 AUD
Retailer 4$421 AUD
Retailer 6$421 AUD
Retailer 16$548 AUD
Retailer 7$625 AUD
Retailer 9$780 AUD
Retailer 10$917 AUD
Retailer 2$1,142 AUD
Retailer 13$1,338 AUD
Retailer 15$1,491 AUD
Retailer 3$1,580 AUD
Retailer 8$1,731 AUD
Retailer 11$1,868 AUD
Do Amore Diamonds$3,253 AUD

43 data points across 16 retailers

16 retailers$340 AUD to $3,253 AUD

A
Cheapest Retailer
-
$340 AUD
$238 USD
A
Retailer 2
-
$380 AUD
$266 USD
View
Final sale: no returns
A
Retailer 3
-
$394 AUD
$276 USD
View
A
Retailer 4
-
$421 AUD
$295 USD
View
Retailer 5
-
$421 AUD
$295 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$548 AUD
$384 USD
View
B+
Retailer 7
-
$625 AUD
$438 USD
View
A
Retailer 8
-
$780 AUD
£431 GBP
View
A
Retailer 9
-
$826 AUD
$579 USD
View
B+
Retailer 10
-
$1,142 AUD
£630 GBP
View
B
Retailer 11
-
$1,338 AUD
CA$1,302 CAD
View
B+
Retailer 12
-
$1,491 AUD
$1,045 USD
View
B
Retailer 13
-
$1,580 AUD
$1,107 USD
View
B
Retailer 14
-
$1,731 AUD
$1,213 USD
View
B
Retailer 15
-
$1,868 AUD
£1,031 GBP
View
Most Expensive
B
Do Amore Diamonds
27-F68CDCAD8 · Nov 2
$3,253 AUD
$2,280 USD
View
15 more retailers have this diamond
Prices start from $340 AUDSave up to $2,914 AUD

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
$340 AUD