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Radiant|Lab Grown|IGI

2.78ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG724573630

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

Certificate IGI LG724573630

Diamond specifications and retailer prices

From HK$6,936 HKD
$884 USD
As of October 30, 2026
Save HK$54,653 HKD (89%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: HK$61,589 HKD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 2.78ct lab-grown radiant diamond

This 2.78ct 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 LG724573630 or 724573630. Listed at 23 retailers as of October 30, 2026, with prices from HK$6,936 to HK$61,589, a HK$54,653 spread on the same certified stone. Do Amore Diamonds lists it at HK$61,589. 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

2.78
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.4°
Pavilion angle36.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG724573630
Dimensions9.91 × 7.10 × 4.72 mm
L/W Ratio1.40
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
9.91 mm7.10 mm2.78 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG724573630
Side View
Table 62.0%Crown 40.4°Girdle: MED-STKPavilion 36.9°Culet: NoneDepth 66.5%

Caratlytics Score

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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$61,589 HKD|Low: HK$6,936 HKD|High: HK$70,062 HKD|Avg: HK$20,815 HKD|-12.1%
Do Amore Diamonds
Retailer 2
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Retailer 22
November 1, 2026
Retailer 4HK$6,936 HKD
Retailer 3HK$7,540 HKD
Retailer 14HK$7,752 HKD
Retailer 7HK$8,042 HKD
Retailer 22HK$9,062 HKD
Retailer 18HK$9,798 HKD
Retailer 10HK$10,702 HKD
Retailer 5HK$12,914 HKD
Retailer 2HK$13,576 HKD
Retailer 8HK$16,633 HKD
Retailer 21HK$17,088 HKD
Retailer 11HK$18,280 HKD
Retailer 13HK$21,072 HKD
Retailer 19HK$22,899 HKD
Retailer 9HK$24,512 HKD
Retailer 6HK$25,153 HKD
Retailer 20HK$30,141 HKD
Retailer 15HK$31,392 HKD
Retailer 12HK$31,606 HKD
Retailer 16HK$33,490 HKD
Retailer 17HK$56,175 HKD
Do Amore DiamondsHK$61,589 HKD

32 data points across 22 retailers

23 retailersHK$6,936 HKD to HK$61,589 HKD

A
Cheapest Retailer
-
HK$6,936 HKD
$884 USD
A
Retailer 2
-
HK$7,540 HKD
$961 USD
View
A
Retailer 3
-
HK$7,752 HKD
$988 USD
View
Final sale: no returns
A
Retailer 4
-
HK$8,042 HKD
$1,025 USD
View
A
Retailer 5
-
HK$9,062 HKD
$1,155 USD
View
A
Retailer 6
-
HK$9,798 HKD
£983 GBP
View
A
Retailer 7
-
HK$10,702 HKD
$1,364 USD
View
A
Retailer 8
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HK$12,914 HKD
$1,646 USD
View
A
Retailer 9
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HK$13,576 HKD
£1,363 GBP
View
A
Retailer 10
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HK$16,633 HKD
$2,120 USD
View
A
Retailer 11
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HK$17,088 HKD
$2,178 USD
View
A
Retailer 12
-
HK$18,280 HKD
$2,330 USD
View
Retailer 13
-
HK$19,136 HKD
$2,439 USD
View
Price last confirmed 31 days ago
A
Retailer 14
-
HK$21,072 HKD
A$4,132 AUD
View
A
Retailer 15
-
HK$22,899 HKD
ZAR 47,151 ZAR
View
B+
Retailer 16
-
HK$24,512 HKD
£2,460 GBP
View
B+
Retailer 17
-
HK$25,153 HKD
$3,206 USD
View
B+
Retailer 18
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HK$30,141 HKD
£3,025 GBP
View
B+
Retailer 19
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HK$31,392 HKD
SGD 5,407 SGD
View
B+
Retailer 20
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HK$31,606 HKD
$4,028 USD
View
B+
Retailer 21
-
HK$33,490 HKD
A$6,567 AUD
View
B
Retailer 22
-
HK$56,175 HKD
$7,160 USD
View
Most Expensive
B
Do Amore Diamonds
27-768322126 · Oct 31
HK$61,589 HKD
$7,850 USD
View
22 more retailers have this diamond
Prices start from HK$6,936 HKDSave up to HK$54,653 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
2.78ct Radiant
HK$6,936 HKD