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Round|Lab Grown|IGI

1.91ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG630443173

Shape and cutting style on the report: Round brilliant

Certificate IGI LG630443173

Diamond specifications and retailer prices

From HK$2,628 HKD
$335 USD
As of November 1, 2026
Save HK$9,030 HKD (77%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: HK$19,222 HKD at Brilliant Earth · As of October 4, 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 LG630443173 or 630443173. Listed at 26 retailers as of November 1, 2026, with a 344% 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

1.91
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG630443173
Dimensions7.89 × 7.95 × 4.93 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
7.89 mm7.95 mm1.91 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG630443173
Side View
Table 56.0%Crown 35.7°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.2%

Caratlytics Score

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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$19,222 HKD|Low: HK$2,299 HKD|High: HK$19,222 HKD|Avg: HK$7,088 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
Retailer 20
Retailer 21
November 2, 2026
Retailer 10HK$2,393 HKD
Retailer 4HK$2,628 HKD
Retailer 12HK$2,966 HKD
Retailer 5HK$3,214 HKD
Retailer 21HK$3,907 HKD
Retailer 17HK$3,923 HKD
Retailer 2HK$4,762 HKD
Retailer 13HK$5,014 HKD
Retailer 3HK$5,068 HKD
Retailer 15HK$5,146 HKD
Retailer 18HK$5,344 HKD
Retailer 6HK$5,492 HKD
Retailer 19HK$6,762 HKD
Retailer 20HK$7,493 HKD
Retailer 8HK$9,307 HKD
Retailer 11HK$9,493 HKD
Retailer 14HK$9,705 HKD
Retailer 7HK$9,723 HKD
Retailer 9HK$11,188 HKD
Retailer 16HK$11,658 HKD
Brilliant EarthHK$19,222 HKD

39 data points across 21 retailers

26 retailersHK$2,628 HKD to HK$11,658 HKD

Retailer 1
-
HK$2,393 HKD
$305 USD
Price last confirmed 14 days ago
A
Retailer 2
-
HK$2,628 HKD
$335 USD
View
Final sale: no returns
Retailer 3
-
HK$2,777 HKD
$354 USD
View
Price last confirmed 13 days ago
Retailer 4
-
HK$2,934 HKD
$374 USD
View
Price last confirmed 48 days ago
Retailer 5
-
HK$2,966 HKD
$378 USD
View
Price last confirmed 17 days ago
Retailer 6
-
HK$2,966 HKD
$378 USD
View
Price last confirmed 14 days ago
A
Retailer 7
-
HK$3,214 HKD
View
B+
Retailer 8
-
HK$3,907 HKD
$498 USD
View
A
Retailer 9
-
HK$3,923 HKD
$500 USD
View
A
Retailer 10
-
HK$4,762 HKD
€578 EUR
View
A
Retailer 11
-
HK$5,014 HKD
ZAR 10,325 ZAR
View
A
Retailer 12
-
HK$5,068 HKD
$646 USD
View
A
Retailer 13
-
HK$5,146 HKD
£516 GBP
View
A
Retailer 14
-
HK$5,344 HKD
A$1,048 AUD
View
B+
Retailer 15
-
HK$5,492 HKD
$700 USD
View
B+
Retailer 16
-
HK$6,762 HKD
A$1,326 AUD
View
B+
Retailer 17
-
HK$7,493 HKD
$955 USD
View
B
Retailer 18
-
HK$9,307 HKD
SGD 1,603 SGD
View
Retailer 19
-
HK$9,493 HKD
$1,210 USD
View
Price last confirmed 25 days ago
Retailer 20
-
HK$9,540 HKD
$1,216 USD
View
Price last confirmed 15 days ago
Retailer 21
-
HK$9,705 HKD
A$1,903 AUD
View
Price last confirmed 28 days ago
B
Retailer 22
-
HK$9,723 HKD
$1,239 USD
View
B
Retailer 23
-
HK$10,223 HKD
$1,303 USD
View
B
Retailer 24
-
HK$11,188 HKD
$1,426 USD
View
B
Retailer 25
-
HK$11,658 HKD
£1,170 GBP
View
Most Expensive
Brilliant Earth
9989183A · Oct 4
HK$19,222 HKD
$2,450 USD
View
Price last confirmed 28 days ago
25 more retailers have this diamond
Prices start from HK$2,628 HKDSave up to HK$9,030 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$2,628 HKD