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Radiant|Lab Grown|GCAL

3.12ct D IF Radiant Lab Grown Diamond

ID • D/IF • GCAL 352816373

Shape and cutting style on the report: Radiant brilliant

Certificate GCAL 352816373

Diamond specifications and retailer prices

From $2,521 AUD
$1,771 USD
As of October 30, 2026
Save $14,818 AUD (85%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $17,339 AUD at Do Amore Diamonds · As of November 1, 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 352816373. Listed at 10 retailers as of October 30, 2026, with prices from $2,521 to $17,339, a $14,818 spread on the same certified stone. Do Amore Diamonds lists it at $17,339. 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 angle37.6°
Pavilion angle34.1°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 352816373
Dimensions10.23 × 7.18 × 4.90 mm
L/W Ratio1.42
Culet sizeNone
Top View
10.23 mm7.18 mm3.12 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL 352816373
Side View
Table 61.0%Crown 37.6°Girdle: S.Pavilion 34.1°Culet: NoneDepth 68.2%

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: $17,339 AUD|Low: $2,483 AUD|High: $25,453 AUD|Avg: $8,992 AUD|-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
November 1, 2026
Retailer 5$2,521 AUD
Retailer 9$2,743 AUD
Retailer 11$3,612 AUD
Retailer 12$4,111 AUD
Retailer 8$4,437 AUD
Retailer 6$4,590 AUD
Retailer 7$4,920 AUD
Retailer 10$8,082 AUD
Retailer 3$9,208 AUD
Retailer 2$9,221 AUD
Do Amore Diamonds$17,339 AUD
Retailer 4$25,453 AUD

25 data points across 12 retailers

10 retailers$2,521 AUD to $17,339 AUD

A
Cheapest Retailer
-
$2,521 AUD
$1,771 USD
A
Retailer 2
-
$2,743 AUD
$1,927 USD
View
A
Retailer 3
-
$3,612 AUD
$2,537 USD
View
A
Retailer 4
-
$4,111 AUD
$2,888 USD
View
Final sale: no returns
A
Retailer 5
-
$4,437 AUD
$3,117 USD
View
A
Retailer 6
-
$4,590 AUD
$3,224 USD
View
A
Retailer 7
-
$4,920 AUD
$3,456 USD
View
B+
Retailer 8
-
$8,082 AUD
$5,677 USD
View
B+
Retailer 9
-
$9,221 AUD
£5,100 GBP
View
Most Expensive
B
Do Amore Diamonds
27-C93B7D09E · Nov 1
$17,339 AUD
$12,180 USD
View
9 more retailers have this diamond
Prices start from $2,521 AUDSave up to $14,818 AUD

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
$2,521 AUD