Round|Lab Grown|IGI

1.81ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG778645789

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778645789

Diamond specifications and retailer prices

From HK$17,151 HKD
$2,186 USD
As of October 29, 2026
Save HK$19,425 HKD (53%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$69,540 HKD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 1.81ct lab-grown round diamond

This 1.81ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG778645789 or 778645789. Listed at 21 retailers as of October 29, 2026, with a 113% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.81
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778645789
Dimensions7.83 × 7.87 × 4.75 mm
L/W Ratio1.01
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
7.83 mm7.87 mm1.81 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778645789
Side View
Table 57.0%Crown 33.4°Girdle: MediumPavilion 40.4°Culet: NoneDepth 60.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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$34,830 HKD|Low: HK$16,468 HKD|High: HK$66,575 HKD|Avg: HK$32,007 HKD|+7.9%
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
Retailer 14
Retailer 15
Retailer 16
October 31, 2026
Retailer 16HK$17,151 HKD
Retailer 7HK$18,657 HKD
Retailer 11HK$19,198 HKD
Retailer 3HK$19,897 HKD
Retailer 6HK$20,391 HKD
Retailer 14HK$21,183 HKD
Retailer 9HK$27,278 HKD
Retailer 8HK$27,350 HKD
Retailer 15HK$28,401 HKD
Retailer 2HK$28,441 HKD
Retailer 1HK$34,830 HKD
Retailer 10HK$36,576 HKD
Retailer 13HK$50,448 HKD
Retailer 4HK$53,123 HKD
Retailer 12HK$54,264 HKD
Retailer 5HK$66,575 HKD

43 data points across 16 retailers

21 retailersHK$17,151 HKD to HK$36,576 HKD

B+
Cheapest Retailer
-
HK$17,151 HKD
$2,186 USD
B+
Retailer 2
-
HK$18,657 HKD
$2,378 USD
View
B+
Retailer 3
-
HK$19,198 HKD
$2,447 USD
View
Final sale: no returns
Retailer 4
-
HK$19,897 HKD
$2,536 USD
View
Price last confirmed 20 days ago
B+
Retailer 5
-
HK$19,897 HKD
$2,536 USD
View
B+
Retailer 6
-
HK$20,391 HKD
$2,599 USD
View
B+
Retailer 7
-
HK$21,183 HKD
$2,700 USD
View
B
Retailer 8
-
HK$22,997 HKD
View
B+
Retailer 9
-
HK$27,278 HKD
£2,738 GBP
View
B
Retailer 10
-
HK$27,350 HKD
$3,486 USD
View
B
Retailer 11
-
HK$28,401 HKD
$3,620 USD
View
B
Retailer 12
-
HK$28,441 HKD
$3,625 USD
View
B
Retailer 13
-
HK$34,830 HKD
€4,228 EUR
View
B
Retailer 14
-
HK$36,576 HKD
ZAR 75,313 ZAR
View
Retailer 15
-
HK$50,448 HKD
$6,430 USD
View
Price under review
Retailer 16
-
HK$53,123 HKD
$6,771 USD
View
Price under review
Retailer 17
-
HK$54,264 HKD
£5,446 GBP
View
Price under review
Retailer 18
-
HK$59,089 HKD
$7,531 USD
View
Price under review
Retailer 19
-
HK$66,575 HKD
SGD 11,467 SGD
View
Price under review
Most Expensive
Taylor and Hart
YDU2Y3X · Oct 30
HK$69,540 HKD
$8,863 USD
View
Price under review
19 more retailers have this diamond
Prices start from HK$17,151 HKDSave up to HK$19,425 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.

B+
1.81ct Round
HK$17,151 HKD