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Radiant|Lab Grown|IGI

2.91ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG784642584

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

Certificate IGI LG784642584

Diamond specifications and retailer prices

From HK$6,528 HKD
$832 USD
As of October 30, 2026
Save HK$52,707 HKD (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$59,235 HKD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 2.91ct lab-grown radiant diamond

This 2.91ct lab-grown radiant sits in the two to three carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG784642584 or 784642584. Listed at 16 retailers as of October 30, 2026, with prices from HK$6,528 to HK$59,235, a HK$52,707 spread on the same certified stone. Brilliant Earth lists it at HK$59,235. 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

2.91
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.9°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784642584
Dimensions9.94 × 7.00 × 4.86 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
9.94 mm7.00 mm2.91 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784642584
Side View
Table 60.0%Crown 39.9°Girdle: Slightly ThickPavilion 36°Culet: NoneDepth 69.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: HK$59,235 HKD|Low: HK$6,528 HKD|High: HK$84,812 HKD|Avg: HK$25,978 HKD|-30.2%
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
October 31, 2026
Retailer 11HK$6,528 HKD
Retailer 16HK$7,814 HKD
Retailer 8HK$8,364 HKD
Retailer 9HK$9,125 HKD
Retailer 6HK$9,886 HKD
Retailer 10HK$12,200 HKD
Retailer 3HK$14,927 HKD
Retailer 2HK$17,410 HKD
Retailer 13HK$20,046 HKD
Retailer 4HK$22,225 HKD
Retailer 15HK$23,506 HKD
Retailer 14HK$28,497 HKD
Retailer 7HK$36,631 HKD
Retailer 5HK$41,974 HKD
Retailer 12HK$57,980 HKD
Brilliant EarthHK$59,235 HKD

36 data points across 16 retailers

16 retailersHK$6,528 HKD to HK$59,235 HKD

A
Cheapest Retailer
-
HK$6,528 HKD
$832 USD
A
Retailer 2
-
HK$7,814 HKD
$996 USD
View
A
Retailer 3
-
HK$8,364 HKD
$1,066 USD
View
Final sale: no returns
A
Retailer 4
-
HK$9,125 HKD
$1,163 USD
View
A
Retailer 5
-
HK$9,886 HKD
$1,260 USD
View
A
Retailer 6
-
HK$12,200 HKD
$1,555 USD
View
Retailer 7
-
HK$14,927 HKD
€1,812 EUR
View
Price last confirmed 8 days ago
A
Retailer 8
-
HK$17,410 HKD
$2,219 USD
View
A
Retailer 9
-
HK$20,046 HKD
$2,555 USD
View
Retailer 10
-
HK$22,225 HKD
A$4,358 AUD
View
Price last confirmed 9 days ago
B+
Retailer 11
-
HK$23,506 HKD
$2,996 USD
View
B+
Retailer 12
-
HK$28,497 HKD
£2,860 GBP
View
Retailer 13
-
HK$36,631 HKD
A$7,183 AUD
View
Price last confirmed 28 days ago
Retailer 14
-
HK$41,974 HKD
$5,350 USD
View
Price last confirmed 9 days ago
B
Retailer 15
-
HK$57,980 HKD
$7,390 USD
View
Most Expensive
B
Brilliant Earth
20496009Y · Oct 30
HK$59,235 HKD
$7,550 USD
View
15 more retailers have this diamond
Prices start from HK$6,528 HKDSave up to HK$52,707 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
2.91ct Radiant
HK$6,528 HKD