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Oval|Lab Grown|GCAL

3.12ct D IF Oval Lab Grown Diamond

ID • D/IF • GCAL 361046174

Shape and cutting style on the report: Oval brilliant

Certificate GCAL 361046174

Diamond specifications and retailer prices

From £1,879 GBP
$2,517 USD
As of October 29, 2026
Save £9,281 GBP (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £12,919 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 361046174. Listed at 18 retailers as of October 29, 2026, with a 494% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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°
Pavilion angle40.5°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 361046174
Dimensions11.83 × 8.28 × 5.18 mm
L/W Ratio1.43
Culet sizeNone
Top View
11.83 mm8.28 mm3.12 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL 361046174
Side View
Table 59.0%Crown 36°Girdle: MED-MEDPavilion 40.5°Culet: NoneDepth 62.6%

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: £12,919 GBP|Low: £1,967 GBP|High: £19,972 GBP|Avg: £7,691 GBP
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
October 30, 2026
Retailer 11£1,967 GBP
Retailer 5£2,103 GBP
Retailer 9£2,179 GBP
Retailer 7£2,465 GBP
Retailer 12£3,059 GBP
Retailer 2£3,104 GBP
Retailer 8£3,197 GBP
Retailer 6£6,129 GBP
Retailer 4£7,505 GBP
Retailer 3£8,382 GBP
Do Amore Diamonds£12,919 GBP
Retailer 10£19,308 GBP
Retailer 13£19,308 GBP

44 data points across 13 retailers

18 retailers£1,879 GBP to £11,159 GBP

A
Cheapest Retailer
-
£1,879 GBP
$2,517 USD
A
Retailer 2
-
£1,967 GBP
$2,636 USD
View
A
Retailer 3
-
£2,043 GBP
$2,738 USD
View
A
Retailer 4
-
£2,103 GBP
$2,818 USD
View
Final sale: no returns
A
Retailer 5
-
£2,179 GBP
$2,919 USD
View
Retailer 6
-
£2,179 GBP
$2,919 USD
View
Price last confirmed 18 days ago
A
Retailer 7
-
£2,219 GBP
$2,973 USD
View
B+
Retailer 8
-
£3,104 GBP
View
B+
Retailer 9
-
£3,197 GBP
$4,284 USD
View
B+
Retailer 10
-
£3,305 GBP
$4,429 USD
View
B+
Retailer 11
-
£6,129 GBP
View
B
Retailer 12
-
£6,518 GBP
$8,733 USD
View
B
Retailer 13
-
£7,505 GBP
$10,057 USD
View
B
Retailer 14
-
£8,382 GBP
$11,231 USD
View
B
Retailer 15
-
£11,159 GBP
$14,952 USD
View
Most Expensive
Do Amore Diamonds
27-A8E5957D0 · Oct 30
£12,919 GBP
$17,310 USD
View
Price under review
15 more retailers have this diamond
Prices start from £1,879 GBPSave up to £9,281 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
£1,879 GBP