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Radiant|Lab Grown|IGI

3.15ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG628447916

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

Certificate IGI LG628447916

Diamond specifications and retailer prices

From HK$8,717 HKD
$1,111 USD
As of October 30, 2026
Save HK$68,642 HKD (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$77,359 HKD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 3.15ct lab-grown radiant diamond

This 3.15ct 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 IGI LG628447916 or 628447916. Listed at 17 retailers as of October 30, 2026, with prices from HK$8,717 to HK$77,359, a HK$68,642 spread on the same certified stone. Do Amore Diamonds lists it at HK$77,359. 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

3.15
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.9°
Pavilion angle32.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG628447916
Dimensions10.40 × 10.40 × 7.13 mm
L/W Ratio1.00
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
10.40 mm10.40 mm3.15 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG628447916
Side View
Table 63.0%Crown 46.9°Girdle: Slightly ThickPavilion 32.6°Culet: NoneDepth 66.3%

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$77,359 HKD|Low: HK$8,717 HKD|High: HK$83,008 HKD|Avg: HK$29,042 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
October 31, 2026
Retailer 13HK$8,717 HKD
Retailer 4HK$9,791 HKD
Retailer 9HK$10,874 HKD
Retailer 12HK$11,447 HKD
Retailer 10HK$11,729 HKD
Retailer 3HK$16,594 HKD
Retailer 2HK$18,165 HKD
Retailer 14HK$19,042 HKD
Retailer 11HK$20,509 HKD
Retailer 17HK$20,917 HKD
Retailer 5HK$26,518 HKD
Retailer 16HK$28,535 HKD
Retailer 15HK$36,040 HKD
Retailer 6HK$42,249 HKD
Retailer 7HK$55,087 HKD
Retailer 8HK$64,256 HKD
Do Amore DiamondsHK$77,359 HKD

34 data points across 17 retailers

17 retailersHK$8,717 HKD to HK$77,359 HKD

A
Cheapest Retailer
-
HK$8,717 HKD
$1,111 USD
A
Retailer 2
-
HK$9,791 HKD
$1,248 USD
View
A
Retailer 3
-
HK$10,874 HKD
$1,386 USD
View
Final sale: no returns
A
Retailer 4
-
HK$11,447 HKD
$1,459 USD
View
A
Retailer 5
-
HK$11,729 HKD
$1,495 USD
View
A
Retailer 6
-
HK$16,594 HKD
$2,115 USD
View
A
Retailer 7
-
HK$18,165 HKD
€2,205 EUR
View
A
Retailer 8
-
HK$19,042 HKD
$2,427 USD
View
A
Retailer 9
-
HK$20,509 HKD
$2,614 USD
View
A
Retailer 10
-
HK$20,917 HKD
$2,666 USD
View
Retailer 11
-
HK$26,518 HKD
A$5,200 AUD
View
Price last confirmed 9 days ago
B+
Retailer 12
-
HK$28,535 HKD
$3,637 USD
View
B+
Retailer 13
-
HK$36,040 HKD
£3,617 GBP
View
Retailer 14
-
HK$42,249 HKD
$5,385 USD
View
Price last confirmed 12 days ago
Retailer 15
-
HK$55,087 HKD
A$10,802 AUD
View
Price last confirmed 23 days ago
B
Retailer 16
-
HK$64,256 HKD
$8,190 USD
View
Most Expensive
B
Do Amore Diamonds
27-B5D3A5C08 · Oct 31
HK$77,359 HKD
$9,860 USD
View
16 more retailers have this diamond
Prices start from HK$8,717 HKDSave up to HK$68,642 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
3.15ct Radiant
HK$8,717 HKD