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Radiant|Lab Grown|GIA

3.12ct D IF Radiant Lab Grown Diamond

EX • D/IF • GIA 36519739

Certificate GIA 36519739

Diamond specifications and retailer prices

From £12,057 GBP
$16,155 USD
As of October 31, 2026
1 retailer carries this diamond
Only listing: £12,057 GBP at Blue Nile
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Blue Nile

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 stated by the retailer rather than the lab and certified by GIA 36519739. Listed at a single retailer as of October 31, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 36519739
Dimensions9.85 × 7.22 × 5.04 mm
L/W Ratio1.36
Top View
9.85 mm7.22 mm3.12 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 36519739
Side View
Table 63.0%CrownGirdle: ThickPavilionCulet: NoneDepth 69.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: £12,057 GBP|Low: £1,904 GBP|High: £12,057 GBP|Avg: £5,453 GBP
Blue Nile
Retailer 2
Retailer 3
October 29, 2026
Retailer 3£1,904 GBP
Retailer 2£3,010 GBP
Blue Nile£12,057 GBP

7 data points across 3 retailers

1 retailer

B
Blue Nile
22506746 · Oct 31
£12,057 GBP
$16,155 USD
View

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.

B
3.12ct Radiant
£12,057 GBP