CaratHunter
Plans
Radiant|Lab Grown|IGI

3.15ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG813609580

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

Certificate IGI LG813609580

Diamond specifications and retailer prices

From HK$10,498 HKD
$1,338 USD
As of October 31, 2026
Save HK$84,828 HKD (89%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$95,325 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 LG813609580 or 813609580. Listed at 19 retailers as of October 31, 2026, with prices from HK$10,498 to HK$95,325, a HK$84,828 spread on the same certified stone. Brilliant Earth lists it at HK$95,325. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.2°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813609580
Dimensions10.38 × 7.14 × 4.94 mm
L/W Ratio1.45
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.38 mm7.14 mm3.15 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813609580
Side View
Table 68.0%Crown 44.2°Girdle: MED-STKPavilion 36.1°Culet: NoneDepth 69.2%

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 31
Current: HK$95,325 HKD|Low: HK$10,498 HKD|High: HK$95,325 HKD|Avg: HK$24,873 HKD
Brilliant Earth
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
Retailer 18
Retailer 19
November 1, 2026
Retailer 6HK$10,498 HKD
Retailer 15HK$12,239 HKD
Retailer 13HK$13,455 HKD
Retailer 12HK$15,550 HKD
Retailer 14HK$15,784 HKD
Retailer 4HK$16,940 HKD
Retailer 5HK$19,911 HKD
Retailer 8HK$20,924 HKD
Retailer 18HK$24,392 HKD
Retailer 17HK$24,565 HKD
Retailer 9HK$25,358 HKD
Retailer 11HK$26,544 HKD
Retailer 10HK$30,355 HKD
Retailer 2HK$34,954 HKD
Retailer 7HK$36,414 HKD
Retailer 19HK$38,112 HKD
Retailer 16HK$39,425 HKD
Retailer 3HK$54,414 HKD
Brilliant EarthHK$95,325 HKD

18 data points across 19 retailers

19 retailersHK$10,498 HKD to HK$95,325 HKD

A+
Cheapest Retailer
-
HK$10,498 HKD
$1,338 USD
Final sale: no returns
A
Retailer 2
-
HK$12,239 HKD
$1,560 USD
View
A
Retailer 3
-
HK$13,455 HKD
$1,715 USD
View
A
Retailer 4
-
HK$15,550 HKD
$1,982 USD
View
A
Retailer 5
-
HK$15,784 HKD
£1,584 GBP
View
A
Retailer 6
-
HK$16,940 HKD
CA$2,999 CAD
View
A
Retailer 7
-
HK$19,911 HKD
€2,417 EUR
View
A
Retailer 8
-
HK$20,924 HKD
$2,667 USD
View
A
Retailer 9
-
HK$24,392 HKD
$3,109 USD
View
A
Retailer 10
-
HK$24,565 HKD
A$4,817 AUD
View
A
Retailer 11
-
HK$25,358 HKD
ZAR 52,215 ZAR
View
A
Retailer 12
-
HK$26,544 HKD
£2,664 GBP
View
B+
Retailer 13
-
HK$30,355 HKD
$3,869 USD
View
B+
Retailer 14
-
HK$34,954 HKD
£3,508 GBP
View
B+
Retailer 15
-
HK$36,414 HKD
SGD 6,272 SGD
View
B+
Retailer 16
-
HK$38,112 HKD
$4,858 USD
View
B+
Retailer 17
-
HK$39,425 HKD
$5,025 USD
View
B+
Retailer 18
-
HK$54,414 HKD
A$10,670 AUD
View
Most Expensive
B
Brilliant Earth
20507935A · Oct 31
HK$95,325 HKD
$12,150 USD
View
18 more retailers have this diamond
Prices start from HK$10,498 HKDSave up to HK$84,828 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$10,498 HKD