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Radiant|Lab Grown|GCAL

3.12ct D IF Radiant Lab Grown Diamond

ID • D/IF • GCAL 352786132

Shape and cutting style on the report: Radiant brilliant

Certificate GCAL 352786132

Diamond specifications and retailer prices

From £1,322 GBP
$1,771 USD
As of October 30, 2026
Save £7,769 GBP (85%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £9,090 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 3.12ct lab-grown radiant diamond

This 3.12ct lab-grown radiant 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 352786132. Listed at 10 retailers as of October 30, 2026, with prices from £1,322 to £9,090, a £7,769 spread on the same certified stone. Do Amore Diamonds lists it at £9,090. 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 angle44°
Pavilion angle35.3°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 352786132
Dimensions10.42 × 7.17 × 4.87 mm
L/W Ratio1.45
Culet sizeNone
Top View
10.42 mm7.17 mm3.12 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL 352786132
Side View
Table 63.0%Crown 44°Girdle: ThickPavilion 35.3°Culet: NoneDepth 67.9%

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 30
Current: £9,090 GBP|Low: £1,302 GBP|High: £13,344 GBP|Avg: £4,737 GBP|-31.3%
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
October 29, 2026
Retailer 5£1,322 GBP
Retailer 9£1,438 GBP
Retailer 11£1,893 GBP
Retailer 12£2,155 GBP
Retailer 8£2,326 GBP
Retailer 6£2,406 GBP
Retailer 7£2,579 GBP
Retailer 10£4,237 GBP
Retailer 3£4,827 GBP
Retailer 2£4,860 GBP
Do Amore Diamonds£9,090 GBP
Retailer 4£13,344 GBP

23 data points across 12 retailers

10 retailers£1,322 GBP to £9,090 GBP

A
Cheapest Retailer
-
£1,322 GBP
$1,771 USD
A
Retailer 2
-
£1,438 GBP
$1,927 USD
View
A
Retailer 3
-
£1,893 GBP
$2,537 USD
View
A
Retailer 4
-
£2,155 GBP
$2,888 USD
View
Final sale: no returns
A
Retailer 5
-
£2,326 GBP
$3,117 USD
View
A
Retailer 6
-
£2,406 GBP
$3,224 USD
View
A
Retailer 7
-
£2,579 GBP
$3,456 USD
View
B+
Retailer 8
-
£4,237 GBP
$5,677 USD
View
B+
Retailer 9
-
£4,860 GBP
View
Most Expensive
B
Do Amore Diamonds
27-ACD524593 · Oct 30
£9,090 GBP
$12,180 USD
View
9 more retailers have this diamond
Prices start from £1,322 GBPSave up to £7,769 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 Radiant
£1,322 GBP