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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 $486 SGD
$379 USD
As of October 29, 2026
Save $2,834 SGD (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,320 SGD 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 $486 to $3,320, a $2,834 spread on the same certified stone. Rare Carat lists it at $3,320. 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

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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: Oct 29
Current: $3,320 SGD|Low: $467 SGD|High: $3,384 SGD|Avg: $1,292 SGD|-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 16$486 SGD
Retailer 5$543 SGD
Retailer 7$543 SGD
Retailer 3$602 SGD
Retailer 13$795 SGD
Retailer 15$827 SGD
Retailer 10$910 SGD
Retailer 6$937 SGD
Retailer 11$1,035 SGD
Retailer 12$1,080 SGD
Retailer 2$1,398 SGD
Retailer 14$1,689 SGD
Retailer 8$1,937 SGD
Retailer 4$2,256 SGD
Retailer 9$2,365 SGD
Rare Carat$3,320 SGD

41 data points across 16 retailers

19 retailers$486 SGD to $3,320 SGD

A
Cheapest Retailer
-
$486 SGD
$379 USD
A
Retailer 2
-
$543 SGD
$424 USD
View
A
Retailer 3
-
$543 SGD
$424 USD
View
Final sale: no returns
A
Retailer 4
-
$602 SGD
$470 USD
View
A
Retailer 5
-
$602 SGD
$470 USD
View
A
Retailer 6
-
$795 SGD
$620 USD
View
A
Retailer 7
-
$827 SGD
$645 USD
View
A
Retailer 8
-
$910 SGD
£559 GBP
View
A
Retailer 9
-
$937 SGD
$731 USD
View
A
Retailer 10
-
$1,035 SGD
ZAR 13,045 ZAR
View
A
Retailer 11
-
$1,080 SGD
£663 GBP
View
A
Retailer 12
-
$1,398 SGD
A$1,678 AUD
View
B+
Retailer 13
-
$1,689 SGD
$1,318 USD
View
B+
Retailer 14
-
$1,733 SGD
$1,352 USD
View
B+
Retailer 15
-
$1,937 SGD
$1,511 USD
View
B+
Retailer 16
-
$1,985 SGD
$1,549 USD
View
B+
Retailer 17
-
$2,256 SGD
$1,760 USD
View
B+
Retailer 18
-
$2,365 SGD
£1,453 GBP
View
Most Expensive
B
Rare Carat
GD12326_l_655411900 · Oct 25
$3,320 SGD
$2,590 USD
View
18 more retailers have this diamond
Prices start from $486 SGDSave up to $2,834 SGD

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
$486 SGD