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Round|Lab Grown|IGI

1.80ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG779641877

Shape and cutting style on the report: Round brilliant

Certificate IGI LG779641877

Diamond specifications and retailer prices

From HK$5,790 HKD
$738 USD
As of October 29, 2026
Save HK$33,360 HKD (85%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: HK$39,150 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.8ct lab-grown round diamond

This 1.8ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG779641877 or 779641877. Listed at 24 retailers as of October 29, 2026, with prices from HK$5,790 to HK$39,150, a HK$33,360 spread on the same certified stone. Brilliant Earth lists it at HK$39,150. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.80
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG779641877
Dimensions7.77 × 7.82 × 4.79 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS 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
7.77 mm7.82 mm1.80 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG779641877
Side View
Table 58.0%Crown 34.3°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.4%

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$39,150 HKD|Low: HK$5,563 HKD|High: HK$39,150 HKD|Avg: HK$13,822 HKD|+0.2%
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
Retailer 17
Retailer 18
Retailer 19
October 30, 2026
Retailer 19HK$5,790 HKD
Retailer 8HK$6,300 HKD
Retailer 10HK$6,481 HKD
Retailer 4HK$6,716 HKD
Retailer 11HK$6,716 HKD
Retailer 15HK$8,120 HKD
Retailer 7HK$8,677 HKD
Retailer 13HK$10,693 HKD
Retailer 2HK$10,745 HKD
Retailer 5HK$10,874 HKD
Retailer 14HK$12,346 HKD
Retailer 18HK$16,547 HKD
Retailer 16HK$16,712 HKD
Retailer 9HK$18,885 HKD
Retailer 17HK$21,693 HKD
Retailer 3HK$21,795 HKD
Retailer 6HK$22,585 HKD
Retailer 12HK$26,514 HKD
Brilliant EarthHK$39,150 HKD

45 data points across 19 retailers

24 retailersHK$5,790 HKD to HK$39,150 HKD

A
Cheapest Retailer
-
HK$5,790 HKD
$738 USD
A
Retailer 2
-
HK$6,300 HKD
$803 USD
View
A
Retailer 3
-
HK$6,481 HKD
$826 USD
View
Final sale: no returns
Retailer 4
-
HK$6,716 HKD
$856 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
HK$6,716 HKD
$856 USD
View
A
Retailer 6
-
HK$7,833 HKD
View
A
Retailer 7
-
HK$8,120 HKD
$1,035 USD
View
A
Retailer 8
-
HK$8,677 HKD
$1,106 USD
View
B+
Retailer 9
-
HK$10,513 HKD
$1,340 USD
View
B+
Retailer 10
-
HK$10,693 HKD
€1,298 EUR
View
B+
Retailer 11
-
HK$10,745 HKD
£1,078 GBP
View
B+
Retailer 12
-
HK$10,874 HKD
$1,386 USD
View
B+
Retailer 13
-
HK$12,346 HKD
ZAR 25,422 ZAR
View
B+
Retailer 14
-
HK$16,547 HKD
$2,109 USD
View
Retailer 15
-
HK$16,712 HKD
A$3,277 AUD
View
Price last confirmed 9 days ago
B
Retailer 16
-
HK$18,885 HKD
$2,407 USD
View
B
Retailer 17
-
HK$21,693 HKD
$2,765 USD
View
B
Retailer 18
-
HK$21,795 HKD
$2,778 USD
View
B
Retailer 19
-
HK$22,585 HKD
SGD 3,890 SGD
View
B
Retailer 20
-
HK$22,705 HKD
$2,894 USD
View
B
Retailer 21
-
HK$22,835 HKD
$2,910 USD
View
B
Retailer 22
-
HK$23,155 HKD
$2,951 USD
View
B
Retailer 23
-
HK$26,514 HKD
£2,661 GBP
View
Most Expensive
B
Brilliant Earth
19067109A · Oct 29
HK$39,150 HKD
$4,990 USD
View
23 more retailers have this diamond
Prices start from HK$5,790 HKDSave up to HK$33,360 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
1.80ct Round
HK$5,790 HKD