CaratHunter
Plans
Oval|Lab Grown|GCAL

3.12ct D IF Oval Lab Grown Diamond

ID • D/IF • GCAL 353036079

Shape and cutting style on the report: Oval brilliant

Certificate GCAL 353036079

Diamond specifications and retailer prices

From £1,129 GBP
$1,513 USD
As of October 29, 2026
Save £6,640 GBP (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £7,769 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 3.12ct lab-grown oval diamond

This 3.12ct lab-grown oval sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GCAL 353036079. Listed at 11 retailers as of October 29, 2026, with prices from £1,129 to £7,769, a £6,640 spread on the same certified stone. Do Amore Diamonds lists it at £7,769. 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

3.12
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle37.6°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 353036079
Dimensions11.95 × 8.24 × 4.87 mm
L/W Ratio1.45
Culet sizeNone
Top View
11.95 mm8.24 mm3.12 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL 353036079
Side View
Table 61.0%Crown 36.7°Girdle: Slightly ThickPavilion 37.6°Culet: NoneDepth 59.1%

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: £7,769 GBP|Low: £1,129 GBP|High: £11,173 GBP|Avg: £3,988 GBP|-30.5%
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
October 29, 2026
Retailer 7£1,129 GBP
Retailer 12£1,228 GBP
Retailer 14£1,849 GBP
Retailer 3£1,881 GBP
Retailer 8£2,064 GBP
Retailer 6£2,096 GBP
Retailer 2£2,264 GBP
Retailer 9£2,317 GBP
Retailer 11£2,711 GBP
Retailer 4£3,407 GBP
Retailer 13£3,646 GBP
Retailer 10£4,135 GBP
Do Amore Diamonds£7,769 GBP
Retailer 5£8,734 GBP

22 data points across 14 retailers

11 retailers£1,129 GBP to £7,769 GBP

A
Cheapest Retailer
-
£1,129 GBP
$1,513 USD
A
Retailer 2
-
£1,228 GBP
$1,646 USD
View
A
Retailer 3
-
£1,849 GBP
$2,478 USD
View
A
Retailer 4
-
£1,881 GBP
$2,520 USD
View
Final sale: no returns
A
Retailer 5
-
£2,038 GBP
$2,731 USD
View
A
Retailer 6
-
£2,064 GBP
$2,766 USD
View
A
Retailer 7
-
£2,317 GBP
$3,104 USD
View
B+
Retailer 8
-
£2,711 GBP
$3,632 USD
View
B+
Retailer 9
-
£3,646 GBP
$4,885 USD
View
B+
Retailer 10
-
£4,135 GBP
View
Most Expensive
B
Do Amore Diamonds
27-36C5020D3 · Oct 30
£7,769 GBP
$10,410 USD
View
10 more retailers have this diamond
Prices start from £1,129 GBPSave up to £6,640 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
3.12ct Oval
£1,129 GBP