CaratHunter
Plans
Radiant|Lab Grown|IGI

3.18ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG731569276

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

Certificate IGI LG731569276

Diamond specifications and retailer prices

From HK$7,814 HKD
$996 USD
As of October 30, 2026
Save HK$61,542 HKD (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$69,356 HKD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 3.18ct lab-grown radiant diamond

This 3.18ct 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 LG731569276 or 731569276. Listed at 16 retailers as of October 30, 2026, with prices from HK$7,814 to HK$69,356, a HK$61,542 spread on the same certified stone. Do Amore Diamonds lists it at HK$69,356. 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

3.18
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.4°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG731569276
Dimensions10.24 × 7.26 × 4.98 mm
L/W Ratio1.41
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
10.24 mm7.26 mm3.18 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG731569276
Side View
Table 67.0%Crown 44.4°Girdle: MED-STKPavilion 35.5°Culet: NoneDepth 68.6%

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$69,356 HKD|Low: HK$7,814 HKD|High: HK$83,792 HKD|Avg: HK$28,074 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
October 31, 2026
Retailer 10HK$7,814 HKD
Retailer 16HK$8,677 HKD
Retailer 5HK$10,435 HKD
Retailer 9HK$10,482 HKD
Retailer 8HK$10,968 HKD
Retailer 15HK$14,766 HKD
Retailer 3HK$16,624 HKD
Retailer 14HK$18,751 HKD
Retailer 11HK$19,159 HKD
Retailer 2HK$19,536 HKD
Retailer 13HK$25,860 HKD
Retailer 12HK$34,107 HKD
Retailer 4HK$43,230 HKD
Retailer 6HK$55,592 HKD
Retailer 7HK$67,708 HKD
Do Amore DiamondsHK$69,356 HKD

34 data points across 16 retailers

16 retailersHK$7,814 HKD to HK$69,356 HKD

A+
Cheapest Retailer
-
HK$7,814 HKD
$996 USD
A
Retailer 2
-
HK$8,677 HKD
$1,106 USD
View
A
Retailer 3
-
HK$10,435 HKD
$1,330 USD
View
A
Retailer 4
-
HK$10,482 HKD
$1,336 USD
View
A
Retailer 5
-
HK$10,968 HKD
$1,398 USD
View
Final sale: no returns
A
Retailer 6
-
HK$14,766 HKD
$1,882 USD
View
Retailer 7
-
HK$16,624 HKD
€2,018 EUR
View
Price last confirmed 8 days ago
A
Retailer 8
-
HK$18,751 HKD
$2,390 USD
View
A
Retailer 9
-
HK$19,159 HKD
$2,442 USD
View
A
Retailer 10
-
HK$19,536 HKD
$2,490 USD
View
A
Retailer 11
-
HK$25,860 HKD
$3,296 USD
View
B+
Retailer 12
-
HK$34,107 HKD
£3,423 GBP
View
Retailer 13
-
HK$43,230 HKD
$5,510 USD
View
Price last confirmed 12 days ago
Retailer 14
-
HK$55,592 HKD
A$10,901 AUD
View
Price last confirmed 22 days ago
B
Retailer 15
-
HK$67,708 HKD
$8,630 USD
View
Most Expensive
B
Do Amore Diamonds
27-41DED3EF0 · Oct 31
HK$69,356 HKD
$8,840 USD
View
15 more retailers have this diamond
Prices start from HK$7,814 HKDSave up to HK$61,542 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+
3.18ct Radiant
HK$7,814 HKD