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Round|Lab Grown|IGI

1.91ct E IF Round Lab Grown Diamond

EX • E/IF • IGI LG807673380

Shape and cutting style on the report: Round brilliant

Certificate IGI LG807673380

Diamond specifications and retailer prices

From HK$6,212 HKD
A$1,218 AUD
As of October 29, 2026
Save HK$21,878 HKD (78%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: HK$28,090 HKD at Brilliant Earth · As of October 29, 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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG807673380 or 807673380. Listed at 5 retailers as of October 29, 2026, with prices from HK$6,212 to HK$28,090, a HK$21,878 spread on the same certified stone. Brilliant Earth lists it at HK$28,090. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.91
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG807673380
Dimensions7.89 × 7.81 × 4.88 mm
L/W Ratio1.01
Girdle conditionFaceted
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 mm7.81 mm1.91 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG807673380
Side View
Table 59.0%Crown 36.6°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.1%

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: Oct 29
Current: HK$28,090 HKD|Low: HK$2,350 HKD|High: HK$28,090 HKD|Avg: HK$9,517 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
October 29, 2026
Retailer 5HK$2,350 HKD
Retailer 12HK$4,292 HKD
Retailer 8HK$5,100 HKD
Retailer 11HK$5,257 HKD
Retailer 3HK$5,689 HKD
Retailer 9HK$6,120 HKD
Retailer 2HK$6,212 HKD
Retailer 13HK$6,534 HKD
Retailer 10HK$10,114 HKD
Retailer 7HK$10,797 HKD
Retailer 14HK$12,780 HKD
Retailer 4HK$14,363 HKD
Retailer 6HK$16,760 HKD
Brilliant EarthHK$28,090 HKD

10 data points across 14 retailers

5 retailersHK$6,212 HKD to HK$28,090 HKD

A
Cheapest Retailer
-
HK$6,212 HKD
A$1,218 AUD
A
Retailer 2
-
HK$6,534 HKD
ZAR 13,453 ZAR
View
Price last confirmed 41 days ago
A
Retailer 3
-
HK$8,427 HKD
$1,074 USD
View
Price last confirmed 41 days ago
B+
Retailer 4
-
HK$10,114 HKD
$1,289 USD
View
Price last confirmed 40 days ago
Most Expensive
B
Brilliant Earth
20478079A · Oct 29
HK$28,090 HKD
$3,580 USD
View
4 more retailers have this diamond
Prices start from HK$6,212 HKDSave up to HK$21,878 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$6,212 HKD