Oval|Lab Grown|GCAL

3.18ct I VS1 Oval Lab Grown Diamond

EX • I/VS1 • GCAL 330951370

Shape and cutting style on the report: Oval brilliant

Certificate GCAL 330951370

Diamond specifications and retailer prices

From £425 GBP
$569 USD
As of October 29, 2026
Save £3,210 GBP (88%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £3,635 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 3.18ct lab-grown oval diamond

This 3.18ct lab-grown oval sits in the three to five carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GCAL 330951370. Listed at 9 retailers as of October 29, 2026, with prices from £425 to £3,635, a £3,210 spread on the same certified stone. Do Amore Diamonds lists it at £3,635. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.18
Carat
I
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.4°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 330951370
Dimensions12.19 × 8.20 × 5.06 mm
L/W Ratio1.49
Culet sizeNone
Top View
12.19 mm8.20 mm3.18 ctI / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL 330951370
Side View
Table 60.0%Crown 34.5°Girdle: STK-THKPavilion 40.4°Culet: NoneDepth 61.6%

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: Oct 29
Current: £3,635 GBP|Low: £425 GBP|High: £3,635 GBP|Avg: £1,344 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 7£425 GBP
Retailer 6£475 GBP
Retailer 8£769 GBP
Retailer 4£811 GBP
Retailer 2£1,307 GBP
Retailer 5£1,528 GBP
Retailer 3£2,302 GBP
Do Amore Diamonds£3,635 GBP

4 data points across 8 retailers

9 retailers£425 GBP to £3,635 GBP

A
Cheapest Retailer
-
£425 GBP
$569 USD
A
Retailer 2
-
£475 GBP
$637 USD
View
A
Retailer 3
-
£769 GBP
$1,030 USD
View
A
Retailer 4
-
£811 GBP
$1,086 USD
View
B+
Retailer 5
-
£1,307 GBP
$1,751 USD
View
B+
Retailer 6
-
£1,351 GBP
$1,810 USD
View
B
Retailer 7
-
£1,528 GBP
$2,048 USD
View
B
Retailer 8
-
£2,302 GBP
View
Most Expensive
B
Do Amore Diamonds
7-1567599 · Oct 29
£3,635 GBP
$4,870 USD
View
8 more retailers have this diamond
Prices start from £425 GBPSave up to £3,210 GBP

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
3.18ct Oval
£425 GBP