Radiant|Lab Grown|IGI

3.12ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG605367011

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

Certificate IGI LG605367011

Diamond specifications and retailer prices

From HK$29,139 HKD
$3,714 USD
As of October 30, 2026
Save HK$90,261 HKD (76%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$119,400 HKD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 3.12ct lab-grown radiant diamond

This 3.12ct lab-grown radiant sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG605367011 or 605367011. Listed at 22 retailers as of October 30, 2026, with prices from HK$29,139 to HK$119,400, a HK$90,261 spread on the same certified stone. Taylor and Hart lists it at HK$119,400. 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
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.4°
Pavilion angle30.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG605367011
Dimensions10.05 × 7.10 × 4.87 mm
L/W Ratio1.42
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
10.05 mm7.10 mm3.12 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG605367011
Side View
Table 65.0%Crown 46.4°Girdle: MED-STKPavilion 30.6°Culet: NoneDepth 68.6%

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$37,318 HKD|Low: HK$27,978 HKD|High: HK$98,428 HKD|Avg: HK$54,063 HKD|-0.9%
Retailer 1
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
October 30, 2026
Retailer 16HK$29,139 HKD
Retailer 7HK$32,630 HKD
Retailer 4HK$33,807 HKD
Retailer 5HK$34,992 HKD
Retailer 1HK$37,318 HKD
Retailer 15HK$40,766 HKD
Retailer 6HK$42,241 HKD
Retailer 9HK$44,212 HKD
Retailer 12HK$48,863 HKD
Retailer 13HK$56,850 HKD
Retailer 2HK$61,275 HKD
Retailer 11HK$72,797 HKD
Retailer 14HK$77,347 HKD
Retailer 10HK$78,482 HKD
Retailer 3HK$85,110 HKD
Retailer 8HK$98,428 HKD

34 data points across 16 retailers

22 retailersHK$29,139 HKD to HK$119,400 HKD

A
Cheapest Retailer
-
HK$29,139 HKD
$3,714 USD
B+
Retailer 2
-
HK$31,524 HKD
$4,018 USD
View
B+
Retailer 3
-
HK$31,704 HKD
$4,041 USD
View
B+
Retailer 4
-
HK$32,481 HKD
$4,140 USD
View
B+
Retailer 5
-
HK$32,630 HKD
$4,159 USD
View
Final sale: no returns
B+
Retailer 6
-
HK$33,807 HKD
$4,309 USD
View
Retailer 7
-
HK$33,807 HKD
$4,309 USD
View
Price last confirmed 18 days ago
B+
Retailer 8
-
HK$34,992 HKD
$4,460 USD
View
B+
Retailer 9
-
HK$37,318 HKD
£3,745 GBP
View
B+
Retailer 10
-
HK$40,766 HKD
$5,196 USD
View
B+
Retailer 11
-
HK$42,241 HKD
$5,384 USD
View
B+
Retailer 12
-
HK$44,212 HKD
£4,437 GBP
View
B+
Retailer 13
-
HK$48,863 HKD
$6,228 USD
View
B
Retailer 14
-
HK$51,893 HKD
£5,208 GBP
View
Retailer 15
-
HK$56,850 HKD
€6,901 EUR
View
Price last confirmed 7 days ago
B
Retailer 16
-
HK$61,275 HKD
$7,810 USD
View
B
Retailer 17
-
HK$72,797 HKD
£7,306 GBP
View
Retailer 18
-
HK$77,347 HKD
A$15,167 AUD
View
Price last confirmed 8 days ago
B
Retailer 19
-
HK$78,482 HKD
ZAR 161,603 ZAR
View
B
Retailer 20
-
HK$85,110 HKD
$10,848 USD
View
B
Retailer 21
-
HK$98,428 HKD
$12,546 USD
View
Most Expensive
B
Taylor and Hart
ES467IL · Oct 30
HK$119,400 HKD
$15,219 USD
View
21 more retailers have this diamond
Prices start from HK$29,139 HKDSave up to HK$90,261 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$29,139 HKD