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Radiant|Lab Grown|IGI

3.12ct D IF Radiant Lab Grown Diamond

D/IF • IGI LG768631511

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG768631511

Diamond specifications and retailer prices

From HK$8,630 HKD
$1,100 USD
As of October 30, 2026
Save HK$68,022 HKD (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$76,652 HKD at Do Amore Diamonds · As of October 31, 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) and certified by IGI LG768631511 or 768631511. Listed at 17 retailers as of October 30, 2026, with prices from HK$8,630 to HK$76,652, a HK$68,022 spread on the same certified stone. Do Amore Diamonds lists it at HK$76,652. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.12
Carat
D
Colour
IF
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.2°
Pavilion angle33.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768631511
Dimensions10.43 × 7.19 × 4.70 mm
L/W Ratio1.45
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
10.43 mm7.19 mm3.12 ctD / IF
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768631511
Side View
Table 66.0%Crown 45.2°Girdle: STK-THKPavilion 33.2°Culet: NoneDepth 65.4%

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: HK$76,652 HKD|Low: HK$8,630 HKD|High: HK$82,223 HKD|Avg: HK$29,001 HKD|-6.8%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 1, 2026
Retailer 16HK$8,630 HKD
Retailer 2HK$9,391 HKD
Retailer 9HK$10,780 HKD
Retailer 15HK$11,345 HKD
Retailer 7HK$11,651 HKD
Retailer 10HK$15,935 HKD
Retailer 13HK$18,000 HKD
Retailer 17HK$18,704 HKD
Retailer 14HK$20,313 HKD
Retailer 4HK$20,720 HKD
Retailer 11HK$24,963 HKD
Retailer 3HK$28,287 HKD
Retailer 5HK$36,727 HKD
Retailer 6HK$42,171 HKD
Retailer 12HK$53,909 HKD
Retailer 8HK$66,453 HKD
Do Amore DiamondsHK$76,652 HKD

33 data points across 17 retailers

17 retailersHK$8,630 HKD to HK$76,652 HKD

A
Cheapest Retailer
-
HK$8,630 HKD
$1,100 USD
A
Retailer 2
-
HK$9,391 HKD
$1,197 USD
View
A
Retailer 3
-
HK$10,780 HKD
$1,374 USD
View
Final sale: no returns
A
Retailer 4
-
HK$11,345 HKD
$1,446 USD
View
A
Retailer 5
-
HK$11,651 HKD
$1,485 USD
View
A
Retailer 6
-
HK$15,935 HKD
$2,031 USD
View
A
Retailer 7
-
HK$18,000 HKD
€2,185 EUR
View
A
Retailer 8
-
HK$18,704 HKD
$2,384 USD
View
A
Retailer 9
-
HK$20,313 HKD
$2,589 USD
View
A
Retailer 10
-
HK$20,720 HKD
$2,641 USD
View
B+
Retailer 11
-
HK$24,963 HKD
A$4,895 AUD
View
B+
Retailer 12
-
HK$28,287 HKD
$3,605 USD
View
Retailer 13
-
HK$36,727 HKD
£3,686 GBP
View
Price last confirmed 7 days ago
Retailer 14
-
HK$42,171 HKD
$5,375 USD
View
Price last confirmed 11 days ago
B
Retailer 15
-
HK$53,909 HKD
A$10,571 AUD
View
B
Retailer 16
-
HK$66,453 HKD
$8,470 USD
View
Most Expensive
B
Do Amore Diamonds
27-0023999C4 · Oct 31
HK$76,652 HKD
$9,770 USD
View
16 more retailers have this diamond
Prices start from HK$8,630 HKDSave up to HK$68,022 HKD

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
HK$8,630 HKD