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Round|Lab Grown|IGI

2.80ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG816627450

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816627450

Diamond specifications and retailer prices

From HK$2,542 HKD
$324 USD
As of October 29, 2026
Save HK$16,209 HKD (86%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$18,751 HKD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 2.8ct lab-grown round diamond

This 2.8ct lab-grown round sits in the two to three carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG816627450 or 816627450. Listed at 15 retailers as of October 29, 2026, with prices from HK$2,542 to HK$18,751, a HK$16,209 spread on the same certified stone. Brilliant Earth lists it at HK$18,751. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

2.80
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816627450
Dimensions9.09 × 9.03 × 5.45 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.09 mm9.03 mm2.80 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816627450
Side View
Table 59.0%Crown 33°Girdle: Slightly ThickPavilion 40.5°CuletDepth 60.1%

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: Oct 29
Current: HK$18,751 HKD|Low: HK$1,774 HKD|High: HK$34,050 HKD|Avg: HK$6,987 HKD|-44.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 4HK$1,774 HKD
Retailer 9HK$2,542 HKD
Retailer 3HK$2,848 HKD
Retailer 10HK$3,154 HKD
Retailer 7HK$4,354 HKD
Retailer 6HK$5,042 HKD
Retailer 11HK$5,108 HKD
Retailer 2HK$5,615 HKD
Retailer 12HK$6,159 HKD
Retailer 8HK$7,744 HKD
Retailer 5HK$12,694 HKD
Brilliant EarthHK$18,751 HKD

43 data points across 12 retailers

15 retailersHK$2,542 HKD to HK$18,751 HKD

A
Cheapest Retailer
-
HK$2,542 HKD
$324 USD
A
Retailer 2
-
HK$2,848 HKD
$363 USD
View
Final sale: no returns
A
Retailer 3
-
HK$2,950 HKD
$376 USD
View
A
Retailer 4
-
HK$3,154 HKD
$402 USD
View
A
Retailer 5
-
HK$3,154 HKD
$402 USD
View
A
Retailer 6
-
HK$4,354 HKD
$555 USD
View
A
Retailer 7
-
HK$5,042 HKD
€612 EUR
View
B+
Retailer 8
-
HK$5,108 HKD
$651 USD
View
A
Retailer 9
-
HK$5,615 HKD
£564 GBP
View
A
Retailer 10
-
HK$6,159 HKD
$785 USD
View
B+
Retailer 11
-
HK$7,744 HKD
$987 USD
View
Retailer 12
-
HK$8,473 HKD
$1,080 USD
View
Price last confirmed 36 days ago
B+
Retailer 13
-
HK$10,129 HKD
$1,291 USD
View
B
Retailer 14
-
HK$12,694 HKD
£1,274 GBP
View
Most Expensive
B
Brilliant Earth
20960737A · Oct 30
HK$18,751 HKD
$2,390 USD
View
14 more retailers have this diamond
Prices start from HK$2,542 HKDSave up to HK$16,209 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
2.80ct Round
HK$2,542 HKD