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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 $304 SGD
$238 USD
As of November 1, 2026
Save $2,610 SGD (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,915 SGD 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 $304 to $2,915, a $2,610 spread on the same certified stone. Do Amore Diamonds lists it at $2,915. 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: $2,915 SGD|Low: $271 SGD|High: $2,915 SGD|Avg: $933 SGD|+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$304 SGD
Retailer 5$340 SGD
Retailer 12$353 SGD
Retailer 4$377 SGD
Retailer 6$377 SGD
Retailer 16$491 SGD
Retailer 7$560 SGD
Retailer 9$699 SGD
Retailer 10$822 SGD
Retailer 2$1,023 SGD
Retailer 13$1,198 SGD
Retailer 15$1,336 SGD
Retailer 3$1,415 SGD
Retailer 8$1,551 SGD
Retailer 11$1,674 SGD
Do Amore Diamonds$2,915 SGD

43 data points across 16 retailers

16 retailers$304 SGD to $2,915 SGD

A
Cheapest Retailer
-
$304 SGD
$238 USD
A
Retailer 2
-
$340 SGD
$266 USD
View
Final sale: no returns
A
Retailer 3
-
$353 SGD
$276 USD
View
A
Retailer 4
-
$377 SGD
$295 USD
View
Retailer 5
-
$377 SGD
$295 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$491 SGD
$384 USD
View
B+
Retailer 7
-
$560 SGD
$438 USD
View
A
Retailer 8
-
$699 SGD
£431 GBP
View
A
Retailer 9
-
$740 SGD
$579 USD
View
B+
Retailer 10
-
$1,023 SGD
£630 GBP
View
B
Retailer 11
-
$1,198 SGD
CA$1,302 CAD
View
B+
Retailer 12
-
$1,336 SGD
$1,045 USD
View
B
Retailer 13
-
$1,415 SGD
$1,107 USD
View
B
Retailer 14
-
$1,551 SGD
$1,213 USD
View
B
Retailer 15
-
$1,674 SGD
£1,031 GBP
View
Most Expensive
B
Do Amore Diamonds
27-F68CDCAD8 · Nov 2
$2,915 SGD
$2,280 USD
View
15 more retailers have this diamond
Prices start from $304 SGDSave up to $2,610 SGD

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
$304 SGD