Round|Lab Grown|IGI

1.91ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG781609848

Shape and cutting style on the report: Round brilliant

Certificate IGI LG781609848

Diamond specifications and retailer prices

From HK$2,095 HKD
$267 USD
As of November 1, 2026
Save HK$12,656 HKD (86%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: HK$14,751 HKD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.91ct lab-grown round diamond

This 1.91ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG781609848 or 781609848. Listed at 23 retailers as of October 28, 2026, with prices from HK$2,095 to HK$14,751, a HK$12,656 spread on the same certified stone. Brilliant Earth lists it at HK$14,751. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.91
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781609848
Dimensions8.05 × 7.99 × 4.88 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.05 mm7.99 mm1.91 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781609848
Side View
Table 57.0%Crown 34.3°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 60.9%

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$14,751 HKD|Low: HK$2,095 HKD|High: HK$14,751 HKD|Avg: HK$5,999 HKD
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
November 2, 2026
Retailer 15HK$2,095 HKD
Retailer 8HK$2,432 HKD
Retailer 7HK$2,597 HKD
Retailer 16HK$3,845 HKD
Retailer 12HK$4,292 HKD
Retailer 4HK$4,323 HKD
Retailer 14HK$4,485 HKD
Retailer 17HK$4,786 HKD
Retailer 13HK$4,974 HKD
Retailer 18HK$5,406 HKD
Retailer 5HK$6,049 HKD
Retailer 2HK$6,669 HKD
Retailer 6HK$8,364 HKD
Retailer 9HK$8,761 HKD
Retailer 11HK$9,376 HKD
Retailer 3HK$10,012 HKD
Retailer 10HK$10,702 HKD
Retailer 19HK$11,675 HKD
Brilliant EarthHK$14,751 HKD

43 data points across 19 retailers

23 retailersHK$2,095 HKD to HK$14,751 HKD

A
Cheapest Retailer
-
HK$2,095 HKD
$267 USD
A
Retailer 2
-
HK$2,432 HKD
$310 USD
View
A
Retailer 3
-
HK$2,597 HKD
$331 USD
View
Retailer 4
-
HK$2,660 HKD
$339 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
HK$3,845 HKD
$490 USD
View
A
Retailer 6
-
HK$4,292 HKD
€521 EUR
View
B+
Retailer 7
-
HK$4,323 HKD
$551 USD
View
A
Retailer 8
-
HK$4,485 HKD
ZAR 9,234 ZAR
View
A
Retailer 9
-
HK$4,786 HKD
$610 USD
View
A
Retailer 10
-
HK$4,974 HKD
£499 GBP
View
A
Retailer 11
-
HK$5,406 HKD
$689 USD
View
B+
Retailer 12
-
HK$6,049 HKD
A$1,186 AUD
View
Retailer 13
-
HK$6,530 HKD
A$1,280 AUD
View
Price last confirmed 124 days ago
B+
Retailer 14
-
HK$6,669 HKD
$850 USD
View
Retailer 15
-
HK$7,454 HKD
$950 USD
View
Price last confirmed 47 days ago
B+
Retailer 16
-
HK$8,364 HKD
$1,066 USD
View
B
Retailer 17
-
HK$8,761 HKD
$1,117 USD
View
Retailer 18
-
HK$9,376 HKD
$1,195 USD
View
Price last confirmed 29 days ago
B
Retailer 19
-
HK$9,541 HKD
$1,216 USD
View
B
Retailer 20
-
HK$10,012 HKD
$1,276 USD
View
Retailer 21
-
HK$10,702 HKD
£1,074 GBP
View
Price last confirmed 12 days ago
B
Retailer 22
-
HK$11,675 HKD
$1,488 USD
View
Most Expensive
B
Brilliant Earth
18338005A · Oct 28
HK$14,751 HKD
$1,880 USD
View
22 more retailers have this diamond
Prices start from HK$2,095 HKDSave up to HK$12,656 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
1.91ct Round
HK$2,095 HKD