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Radiant|Lab Grown|IGI

3.17ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG728561176

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

Certificate IGI LG728561176

Diamond specifications and retailer prices

From HK$7,791 HKD
$993 USD
As of October 30, 2026
Save HK$61,408 HKD (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$69,199 HKD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 3.17ct lab-grown radiant diamond

This 3.17ct 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 LG728561176 or 728561176. Listed at 18 retailers as of October 30, 2026, with prices from HK$7,791 to HK$69,199, a HK$61,408 spread on the same certified stone. Do Amore Diamonds lists it at HK$69,199. 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

3.17
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.3°
Pavilion angle33.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG728561176
Dimensions10.25 × 7.18 × 4.84 mm
L/W Ratio1.43
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
10.25 mm7.18 mm3.17 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG728561176
Side View
Table 66.0%Crown 44.3°Girdle: Slightly ThickPavilion 33.3°Culet: NoneDepth 67.4%

Caratlytics Score

How it works →
A+
Exceptional
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$69,199 HKD|Low: HK$7,791 HKD|High: HK$83,557 HKD|Avg: HK$27,754 HKD|-17.2%
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 11HK$7,791 HKD
Retailer 17HK$8,646 HKD
Retailer 6HK$10,396 HKD
Retailer 10HK$10,450 HKD
Retailer 9HK$10,937 HKD
Retailer 15HK$14,711 HKD
Retailer 5HK$16,567 HKD
Retailer 14HK$18,696 HKD
Retailer 12HK$19,049 HKD
Retailer 2HK$19,473 HKD
Retailer 3HK$23,443 HKD
Retailer 13HK$25,786 HKD
Retailer 16HK$32,742 HKD
Retailer 4HK$43,112 HKD
Retailer 7HK$55,424 HKD
Retailer 8HK$67,551 HKD
Do Amore DiamondsHK$69,199 HKD

33 data points across 17 retailers

18 retailersHK$7,791 HKD to HK$69,199 HKD

A+
Cheapest Retailer
-
HK$7,791 HKD
$993 USD
A
Retailer 2
-
HK$8,646 HKD
$1,102 USD
View
A
Retailer 3
-
HK$10,396 HKD
$1,325 USD
View
A
Retailer 4
-
HK$10,450 HKD
$1,332 USD
View
A
Retailer 5
-
HK$10,937 HKD
$1,394 USD
View
Final sale: no returns
A
Retailer 6
-
HK$14,711 HKD
$1,875 USD
View
Retailer 7
-
HK$16,567 HKD
€2,011 EUR
View
Price last confirmed 7 days ago
A
Retailer 8
-
HK$18,696 HKD
$2,383 USD
View
A
Retailer 9
-
HK$19,049 HKD
$2,428 USD
View
A
Retailer 10
-
HK$19,473 HKD
$2,482 USD
View
Retailer 11
-
HK$23,443 HKD
A$4,597 AUD
View
Price last confirmed 9 days ago
A
Retailer 12
-
HK$25,786 HKD
$3,287 USD
View
B+
Retailer 13
-
HK$32,742 HKD
£3,286 GBP
View
Retailer 14
-
HK$43,112 HKD
$5,495 USD
View
Price last confirmed 12 days ago
Retailer 15
-
HK$55,424 HKD
A$10,868 AUD
View
Price last confirmed 22 days ago
Retailer 16
-
HK$56,855 HKD
$7,247 USD
View
B
Retailer 17
-
HK$67,551 HKD
$8,610 USD
View
Most Expensive
B
Do Amore Diamonds
27-A3CD23EF5 · Oct 30
HK$69,199 HKD
$8,820 USD
View
17 more retailers have this diamond
Prices start from HK$7,791 HKDSave up to HK$61,408 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+
3.17ct Radiant
HK$7,791 HKD