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Round|Lab Grown|IGI

2.78ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG762545352

Shape and cutting style on the report: Round brilliant

Certificate IGI LG762545352

Diamond specifications and retailer prices

From HK$9,109 HKD
$1,161 USD
As of November 1, 2026
Save HK$48,557 HKD (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$57,666 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 2.78ct lab-grown round diamond

This 2.78ct lab-grown round 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 LG762545352 or 762545352. Listed at 17 retailers as of October 31, 2026, with prices from HK$9,109 to HK$57,666, a HK$48,557 spread on the same certified stone. Brilliant Earth lists it at HK$57,666. 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 angle33.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG762545352
Dimensions9.10 × 9.14 × 5.47 mm
L/W Ratio1.00
Girdle conditionFaceted
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
9.10 mm9.14 mm2.78 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG762545352
Side View
Table 59.0%Crown 33.4°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.0%

Caratlytics Score

How it works →
A
Excellent
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: Nov 1
Current: HK$57,666 HKD|Low: HK$9,109 HKD|High: HK$72,259 HKD|Avg: HK$25,251 HKD|-20.2%
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
November 1, 2026
Retailer 4HK$9,109 HKD
Retailer 12HK$11,415 HKD
Retailer 2HK$11,578 HKD
Retailer 9HK$11,770 HKD
Retailer 7HK$12,093 HKD
Retailer 5HK$14,193 HKD
Retailer 6HK$19,386 HKD
Retailer 8HK$19,514 HKD
Retailer 14HK$23,168 HKD
Retailer 10HK$28,507 HKD
Retailer 11HK$32,031 HKD
Retailer 13HK$40,876 HKD
Retailer 3HK$55,634 HKD
Brilliant EarthHK$57,666 HKD

42 data points across 14 retailers

17 retailersHK$9,109 HKD to HK$57,666 HKD

A
Cheapest Retailer
-
HK$9,109 HKD
$1,161 USD
A
Retailer 2
-
HK$9,842 HKD
View
A
Retailer 3
-
HK$11,415 HKD
$1,455 USD
View
Retailer 4
-
HK$11,474 HKD
£1,152 GBP
View
Price last confirmed 17 days ago
A
Retailer 5
-
HK$11,578 HKD
£1,162 GBP
View
A
Retailer 6
-
HK$11,770 HKD
A$2,308 AUD
View
A
Retailer 7
-
HK$12,093 HKD
€1,468 EUR
View
A
Retailer 8
-
HK$14,193 HKD
$1,809 USD
View
B+
Retailer 9
-
HK$19,386 HKD
$2,471 USD
View
B+
Retailer 10
-
HK$19,514 HKD
ZAR 40,182 ZAR
View
B+
Retailer 11
-
HK$23,168 HKD
$2,953 USD
View
B+
Retailer 12
-
HK$27,005 HKD
$3,442 USD
View
B+
Retailer 13
-
HK$28,507 HKD
£2,861 GBP
View
Retailer 14
-
HK$32,031 HKD
A$6,281 AUD
View
Price last confirmed 23 days ago
Retailer 15
-
HK$40,876 HKD
$5,210 USD
View
Price last confirmed 18 days ago
B
Retailer 16
-
HK$55,634 HKD
$7,091 USD
View
Most Expensive
B
Brilliant Earth
19080341Y · Oct 31
HK$57,666 HKD
$7,350 USD
View
16 more retailers have this diamond
Prices start from HK$9,109 HKDSave up to HK$48,557 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 Round
HK$9,109 HKD