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 $1,771 USD
As of October 30, 2026
Save $10,409 USD (85%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $12,180 USD 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 $1,771 to $12,180, a $10,409 spread on the same certified stone. Do Amore Diamonds lists it at $12,180. 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
Color
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: $12,180 USD|Low: $1,744 USD|High: $17,880 USD|Avg: $6,347 USD|-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$1,771 USD
Retailer 9$1,927 USD
Retailer 11$2,537 USD
Retailer 12$2,888 USD
Retailer 8$3,117 USD
Retailer 6$3,224 USD
Retailer 7$3,456 USD
Retailer 10$5,677 USD
Retailer 3$6,468 USD
Retailer 2$6,511 USD
Do Amore Diamonds$12,180 USD
Retailer 4$17,880 USD

23 data points across 12 retailers

10 retailers$1,771 USD to $12,180 USD

A
Cheapest Retailer
-
$1,771 USD
A
Retailer 2
-
$1,927 USD
View
A
Retailer 3
-
$2,537 USD
View
A
Retailer 4
-
$2,888 USD
View
Final sale: no returns
A
Retailer 5
-
$3,117 USD
View
A
Retailer 6
-
$3,224 USD
View
A
Retailer 7
-
$3,456 USD
View
B+
Retailer 8
-
$5,677 USD
View
B+
Retailer 9
-
$6,511 USD
£5,127 GBP
View
Most Expensive
B
Do Amore Diamonds
27-ACD524593 · Oct 30
$12,180 USD
View
9 more retailers have this diamond
Prices start from $1,771 USDSave up to $10,409 USD

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
$1,771 USD