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Round|Lab Grown|IGI

1.91ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG747570355

Shape and cutting style on the report: Round brilliant

Certificate IGI LG747570355

Diamond specifications and retailer prices

From HK$2,056 HKD
$262 USD
As of November 1, 2026
Save HK$11,439 HKD (85%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: HK$13,495 HKD at Brilliant Earth · As of October 31, 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 LG747570355 or 747570355. Listed at 24 retailers as of October 31, 2026, with prices from HK$2,056 to HK$13,495, a HK$11,439 spread on the same certified stone. Brilliant Earth lists it at HK$13,495. 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 angle33.2°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG747570355
Dimensions8.11 × 8.07 × 4.79 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.11 mm8.07 mm1.91 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG747570355
Side View
Table 59.0%Crown 33.2°Girdle: THN-MEDPavilion 40.7°Culet: NoneDepth 59.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: HK$13,495 HKD|Low: HK$2,056 HKD|High: HK$19,222 HKD|Avg: HK$6,324 HKD|-29.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 11
Retailer 12
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Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 2, 2026
Retailer 14HK$2,056 HKD
Retailer 11HK$2,299 HKD
Retailer 10HK$2,377 HKD
Retailer 8HK$2,542 HKD
Retailer 15HK$2,605 HKD
Retailer 4HK$3,436 HKD
Retailer 20HK$3,452 HKD
Retailer 13HK$4,036 HKD
Retailer 17HK$4,387 HKD
Retailer 2HK$4,580 HKD
Retailer 3HK$4,731 HKD
Retailer 16HK$4,855 HKD
Retailer 6HK$5,390 HKD
Retailer 5HK$5,916 HKD
Retailer 21HK$6,441 HKD
Retailer 22HK$7,885 HKD
Retailer 7HK$8,183 HKD
Retailer 12HK$8,582 HKD
Retailer 19HK$9,140 HKD
Retailer 9HK$10,011 HKD
Retailer 18HK$10,193 HKD
Brilliant EarthHK$13,495 HKD

30 data points across 22 retailers

24 retailersHK$2,056 HKD to HK$13,495 HKD

A
Cheapest Retailer
-
HK$2,056 HKD
$262 USD
A
Retailer 2
-
HK$2,299 HKD
$293 USD
View
Final sale: no returns
A
Retailer 3
-
HK$2,377 HKD
$303 USD
View
A
Retailer 4
-
HK$2,542 HKD
$324 USD
View
Retailer 5
-
HK$2,605 HKD
$332 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
HK$3,436 HKD
$438 USD
View
A
Retailer 7
-
HK$3,452 HKD
$440 USD
View
A
Retailer 8
-
HK$4,036 HKD
£405 GBP
View
A
Retailer 9
-
HK$4,387 HKD
ZAR 9,034 ZAR
View
A
Retailer 10
-
HK$4,580 HKD
€556 EUR
View
A
Retailer 11
-
HK$4,731 HKD
$603 USD
View
A
Retailer 12
-
HK$4,855 HKD
£487 GBP
View
A
Retailer 13
-
HK$5,390 HKD
$687 USD
View
B+
Retailer 14
-
HK$5,916 HKD
A$1,160 AUD
View
B+
Retailer 15
-
HK$6,441 HKD
$821 USD
View
B+
Retailer 16
-
HK$7,885 HKD
$1,005 USD
View
B+
Retailer 17
-
HK$8,183 HKD
$1,043 USD
View
B+
Retailer 18
-
HK$8,582 HKD
$1,094 USD
View
B
Retailer 19
-
HK$9,140 HKD
$1,165 USD
View
B
Retailer 20
-
HK$9,313 HKD
$1,187 USD
View
Retailer 21
-
HK$9,424 HKD
A$1,848 AUD
View
Price last confirmed 158 days ago
B
Retailer 22
-
HK$10,011 HKD
$1,276 USD
View
B
Retailer 23
-
HK$10,193 HKD
£1,023 GBP
View
Most Expensive
B
Brilliant Earth
18296538A · Oct 31
HK$13,495 HKD
$1,720 USD
View
23 more retailers have this diamond
Prices start from HK$2,056 HKDSave up to HK$11,439 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$2,056 HKD