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2.78ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG845699634

Shape and cutting style on the report: Round brilliant

Certificate IGI LG845699634

Diamond specifications and retailer prices

From HK$7,842 HKD
£787 GBP
As of November 1, 2026
Save HK$95,800 HKD (92%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$103,642 HKD at Brilliant Earth · As of October 29, 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 LG845699634 or 845699634. Listed at 14 retailers as of October 29, 2026, with prices from HK$7,842 to HK$103,642, a HK$95,800 spread on the same certified stone. Brilliant Earth lists it at HK$103,642. 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 angle34.6°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845699634
Dimensions8.99 × 9.07 × 5.56 mm
L/W Ratio1.01
Girdle conditionFaceted
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
8.99 mm9.07 mm2.78 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845699634
Side View
Table 57.0%Crown 34.6°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.5%

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$26,006 HKD|Low: HK$7,842 HKD|High: HK$27,381 HKD|Avg: HK$16,376 HKD|-0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 7HK$7,842 HKD
Retailer 4HK$8,034 HKD
Retailer 2HK$9,195 HKD
Retailer 9HK$10,505 HKD
Retailer 11HK$10,841 HKD
Retailer 12HK$11,227 HKD
Retailer 10HK$17,898 HKD
Retailer 3HK$18,241 HKD
Retailer 8HK$23,363 HKD
Retailer 6HK$23,443 HKD
Retailer 13HK$23,451 HKD
Retailer 5HK$23,950 HKD
Retailer 1HK$26,006 HKD

11 data points across 13 retailers

14 retailersHK$7,842 HKD to HK$103,642 HKD

A
Cheapest Retailer
-
HK$7,842 HKD
£787 GBP
A
Retailer 2
-
HK$8,034 HKD
View
A
Retailer 3
-
HK$9,195 HKD
$1,172 USD
View
A
Retailer 4
-
HK$10,505 HKD
£1,054 GBP
View
A
Retailer 5
-
HK$10,841 HKD
€1,316 EUR
View
A
Retailer 6
-
HK$11,227 HKD
$1,431 USD
View
A
Retailer 7
-
HK$17,898 HKD
ZAR 36,854 ZAR
View
A
Retailer 8
-
HK$18,241 HKD
$2,325 USD
View
B+
Retailer 9
-
HK$23,363 HKD
SGD 4,024 SGD
View
B+
Retailer 10
-
HK$23,443 HKD
$2,988 USD
View
B+
Retailer 11
-
HK$23,451 HKD
$2,989 USD
View
B+
Retailer 12
-
HK$23,950 HKD
$3,053 USD
View
B+
Retailer 13
-
HK$26,006 HKD
£2,610 GBP
View
Most Expensive
B
Brilliant Earth
22283664A · Oct 29
HK$103,642 HKD
$13,210 USD
View
13 more retailers have this diamond
Prices start from HK$7,842 HKDSave up to HK$95,800 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$7,842 HKD