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 $238 USD
As of November 1, 2026
Save $2,042 USD (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,280 USD at Do Amore Diamonds · As of October 31, 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 October 31, 2026, with prices from $238 to $2,280, a $2,042 spread on the same certified stone. Do Amore Diamonds lists it at $2,280. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $2,280 USD|Low: $212 USD|High: $2,280 USD|Avg: $719 USD|+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 1, 2026
Retailer 14$238 USD
Retailer 5$266 USD
Retailer 12$276 USD
Retailer 4$295 USD
Retailer 6$295 USD
Retailer 16$384 USD
Retailer 7$438 USD
Retailer 2$547 USD
Retailer 10$643 USD
Retailer 9$806 USD
Retailer 13$937 USD
Retailer 15$1,045 USD
Retailer 3$1,107 USD
Retailer 8$1,213 USD
Retailer 11$1,309 USD
Do Amore Diamonds$2,280 USD

43 data points across 16 retailers

16 retailers$238 USD to $2,280 USD

A
Cheapest Retailer
-
$238 USD
A
Retailer 2
-
$266 USD
View
Final sale: no returns
A
Retailer 3
-
$276 USD
View
A
Retailer 4
-
$295 USD
View
Retailer 5
-
$295 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$384 USD
View
B+
Retailer 7
-
$438 USD
View
A
Retailer 8
-
$547 USD
£431 GBP
View
A
Retailer 9
-
$579 USD
View
B+
Retailer 10
-
$806 USD
£635 GBP
View
B
Retailer 11
-
$937 USD
CA$1,302 CAD
View
B+
Retailer 12
-
$1,045 USD
View
B
Retailer 13
-
$1,107 USD
View
B
Retailer 14
-
$1,213 USD
View
B
Retailer 15
-
$1,309 USD
£1,031 GBP
View
Most Expensive
B
Do Amore Diamonds
27-F68CDCAD8 · Oct 31
$2,280 USD
View
15 more retailers have this diamond
Prices start from $238 USDSave up to $2,042 USD

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
$238 USD