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Round|Lab Grown|IGI

1.91ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG809661925

Shape and cutting style on the report: Round brilliant

Certificate IGI LG809661925

Diamond specifications and retailer prices

From $543 SGD
$424 USD
As of October 28, 2026
Save $4,981 SGD (90%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $5,524 SGD 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 LG809661925 or 809661925. Listed at 27 retailers as of October 28, 2026, with prices from $543 to $5,524, a $4,981 spread on the same certified stone. Brilliant Earth lists it at $5,524. 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 angle34.8°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG809661925
Dimensions8.01 × 7.98 × 4.84 mm
L/W Ratio1.00
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
8.01 mm7.98 mm1.91 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG809661925
Side View
Table 60.0%Crown 34.8°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.5%

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 28
Current: $5,524 SGD|Low: $543 SGD|High: $5,524 SGD|Avg: $1,702 SGD
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
October 29, 2026
Retailer 5$543 SGD
Retailer 15$848 SGD
Retailer 18$859 SGD
Retailer 13$910 SGD
Retailer 11$968 SGD
Retailer 8$1,033 SGD
Retailer 14$1,035 SGD
Retailer 17$1,080 SGD
Retailer 6$1,380 SGD
Retailer 2$1,398 SGD
Retailer 10$1,712 SGD
Retailer 3$1,733 SGD
Retailer 7$1,985 SGD
Retailer 4$2,256 SGD
Retailer 16$2,262 SGD
Retailer 12$2,365 SGD
Retailer 9$3,307 SGD
Brilliant Earth$5,524 SGD

30 data points across 18 retailers

27 retailers$543 SGD to $5,524 SGD

A
Retailer 1
-
$492 SGD
$384 USD
Price last confirmed 19 days ago
A
Retailer 2
-
$513 SGD
$400 USD
View
Price last confirmed 33 days ago
A
Retailer 3
-
$543 SGD
$424 USD
View
Final sale: no returns
A
Retailer 4
-
$574 SGD
$448 USD
View
Price last confirmed 37 days ago
A
Retailer 5
-
$610 SGD
$476 USD
View
Price last confirmed 27 days ago
A
Retailer 6
-
$610 SGD
$476 USD
View
Price last confirmed 17 days ago
A
Retailer 7
-
$627 SGD
$489 USD
View
Price last confirmed 33 days ago
A
Retailer 8
-
$848 SGD
$662 USD
View
A
Retailer 9
-
$859 SGD
$670 USD
View
A
Retailer 10
-
$910 SGD
£559 GBP
View
A
Retailer 11
-
$968 SGD
€719 EUR
View
A
Retailer 12
-
$1,033 SGD
$806 USD
View
A
Retailer 13
-
$1,035 SGD
ZAR 13,045 ZAR
View
A
Retailer 14
-
$1,080 SGD
£663 GBP
View
A
Retailer 15
-
$1,380 SGD
$1,077 USD
View
A
Retailer 16
-
$1,398 SGD
A$1,678 AUD
View
B+
Retailer 17
-
$1,712 SGD
$1,336 USD
View
B+
Retailer 18
-
$1,733 SGD
$1,352 USD
View
B+
Retailer 19
-
$1,962 SGD
$1,531 USD
View
Price last confirmed 22 days ago
B+
Retailer 20
-
$1,985 SGD
$1,549 USD
View
B+
Retailer 21
-
$2,042 SGD
$1,593 USD
View
Price last confirmed 38 days ago
B+
Retailer 22
-
$2,102 SGD
$1,640 USD
View
B+
Retailer 23
-
$2,256 SGD
$1,760 USD
View
B+
Retailer 24
-
$2,262 SGD
$1,765 USD
View
B+
Retailer 25
-
$2,365 SGD
£1,453 GBP
View
B+
Retailer 26
-
$3,307 SGD
$2,580 USD
View
Most Expensive
B
Brilliant Earth
20436430A · Oct 29
$5,524 SGD
$4,310 USD
View
26 more retailers have this diamond
Prices start from $543 SGDSave up to $4,981 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
$543 SGD