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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 HK$1,867 HKD
$238 USD
As of November 1, 2026
Save HK$16,022 HKD (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$17,889 HKD 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 HK$1,867 to HK$17,889, a HK$16,022 spread on the same certified stone. Do Amore Diamonds lists it at HK$17,889. 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: HK$17,889 HKD|Low: HK$1,663 HKD|High: HK$17,889 HKD|Avg: HK$5,723 HKD|+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 14HK$1,867 HKD
Retailer 5HK$2,087 HKD
Retailer 12HK$2,166 HKD
Retailer 4HK$2,315 HKD
Retailer 6HK$2,315 HKD
Retailer 16HK$3,013 HKD
Retailer 7HK$3,437 HKD
Retailer 9HK$4,290 HKD
Retailer 10HK$5,045 HKD
Retailer 2HK$6,278 HKD
Retailer 13HK$7,355 HKD
Retailer 15HK$8,199 HKD
Retailer 3HK$8,686 HKD
Retailer 8HK$9,519 HKD
Retailer 11HK$10,273 HKD
Do Amore DiamondsHK$17,889 HKD

43 data points across 16 retailers

16 retailersHK$1,867 HKD to HK$17,889 HKD

A
Cheapest Retailer
-
HK$1,867 HKD
$238 USD
A
Retailer 2
-
HK$2,087 HKD
$266 USD
View
Final sale: no returns
A
Retailer 3
-
HK$2,166 HKD
$276 USD
View
A
Retailer 4
-
HK$2,315 HKD
$295 USD
View
Retailer 5
-
HK$2,315 HKD
$295 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
HK$3,013 HKD
$384 USD
View
B+
Retailer 7
-
HK$3,437 HKD
$438 USD
View
A
Retailer 8
-
HK$4,290 HKD
£431 GBP
View
A
Retailer 9
-
HK$4,543 HKD
$579 USD
View
B+
Retailer 10
-
HK$6,278 HKD
£630 GBP
View
B
Retailer 11
-
HK$7,355 HKD
CA$1,302 CAD
View
B+
Retailer 12
-
HK$8,199 HKD
$1,045 USD
View
B
Retailer 13
-
HK$8,686 HKD
$1,107 USD
View
B
Retailer 14
-
HK$9,519 HKD
$1,213 USD
View
B
Retailer 15
-
HK$10,273 HKD
£1,031 GBP
View
Most Expensive
B
Do Amore Diamonds
27-F68CDCAD8 · Nov 2
HK$17,889 HKD
$2,280 USD
View
15 more retailers have this diamond
Prices start from HK$1,867 HKDSave up to HK$16,022 HKD

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
HK$1,867 HKD