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Round|Lab Grown|IGI

1.91ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG655411900

Shape and cutting style on the report: Round brilliant

Certificate IGI LG655411900

Diamond specifications and retailer prices

From HK$2,974 HKD
$379 USD
As of October 29, 2026
Save HK$17,348 HKD (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$20,322 HKD at Rare Carat · As of October 25, 2026
View at Rare Carat

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 LG655411900 or 655411900. Listed at 19 retailers as of October 25, 2026, with prices from HK$2,974 to HK$20,322, a HK$17,348 spread on the same certified stone. Rare Carat lists it at HK$20,322. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG655411900
Dimensions7.94 × 7.89 × 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
7.94 mm7.89 mm1.91 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG655411900
Side View
Table 58.0%Crown 35.6°Girdle: MediumPavilion 41.1°Culet: NoneDepth 62.3%

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: Oct 29
Current: HK$20,322 HKD|Low: HK$2,856 HKD|High: HK$20,714 HKD|Avg: HK$7,911 HKD|-1.9%
Rare Carat
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 29, 2026
Retailer 16HK$2,974 HKD
Retailer 5HK$3,327 HKD
Retailer 7HK$3,327 HKD
Retailer 3HK$3,688 HKD
Retailer 13HK$4,865 HKD
Retailer 15HK$5,061 HKD
Retailer 10HK$5,573 HKD
Retailer 6HK$5,736 HKD
Retailer 11HK$6,336 HKD
Retailer 12HK$6,611 HKD
Retailer 2HK$8,558 HKD
Retailer 14HK$10,342 HKD
Retailer 8HK$11,856 HKD
Retailer 4HK$13,810 HKD
Retailer 9HK$14,479 HKD
Rare CaratHK$20,322 HKD

41 data points across 16 retailers

19 retailersHK$2,974 HKD to HK$20,322 HKD

A
Cheapest Retailer
-
HK$2,974 HKD
$379 USD
A
Retailer 2
-
HK$3,327 HKD
$424 USD
View
A
Retailer 3
-
HK$3,327 HKD
$424 USD
View
Final sale: no returns
A
Retailer 4
-
HK$3,688 HKD
$470 USD
View
A
Retailer 5
-
HK$3,688 HKD
$470 USD
View
A
Retailer 6
-
HK$4,865 HKD
$620 USD
View
A
Retailer 7
-
HK$5,061 HKD
$645 USD
View
A
Retailer 8
-
HK$5,573 HKD
£559 GBP
View
A
Retailer 9
-
HK$5,736 HKD
$731 USD
View
A
Retailer 10
-
HK$6,336 HKD
ZAR 13,045 ZAR
View
A
Retailer 11
-
HK$6,611 HKD
£663 GBP
View
A
Retailer 12
-
HK$8,558 HKD
A$1,678 AUD
View
B+
Retailer 13
-
HK$10,342 HKD
$1,318 USD
View
B+
Retailer 14
-
HK$10,608 HKD
$1,352 USD
View
B+
Retailer 15
-
HK$11,856 HKD
$1,511 USD
View
B+
Retailer 16
-
HK$12,154 HKD
$1,549 USD
View
B+
Retailer 17
-
HK$13,810 HKD
$1,760 USD
View
B+
Retailer 18
-
HK$14,479 HKD
£1,453 GBP
View
Most Expensive
B
Rare Carat
GD12326_l_655411900 · Oct 25
HK$20,322 HKD
$2,590 USD
View
18 more retailers have this diamond
Prices start from HK$2,974 HKDSave up to HK$17,348 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$2,974 HKD