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Round|Lab Grown|IGI

1.91ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG607370993

Shape and cutting style on the report: Round brilliant

Certificate IGI LG607370993

Diamond specifications and retailer prices

From $590 SGD
$460 USD
As of October 29, 2026
Save $5,537 SGD (90%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $6,127 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 LG607370993 or 607370993. Listed at 25 retailers as of October 29, 2026, with prices from $590 to $6,127, a $5,537 spread on the same certified stone. Brilliant Earth lists it at $6,127. 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 angle35.3°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG607370993
Dimensions7.95 × 7.90 × 4.90 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
7.95 mm7.90 mm1.91 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG607370993
Side View
Table 58.0%Crown 35.3°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.9%

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: $6,127 SGD|Low: $590 SGD|High: $6,767 SGD|Avg: $2,215 SGD|-9.5%
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 11
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Retailer 23
October 29, 2026
Retailer 4$590 SGD
Retailer 13$660 SGD
Retailer 14$661 SGD
Retailer 21$732 SGD
Retailer 7$804 SGD
Retailer 20$916 SGD
Retailer 23$981 SGD
Retailer 3$1,055 SGD
Retailer 17$1,120 SGD
Retailer 2$1,205 SGD
Retailer 19$1,258 SGD
Retailer 18$1,548 SGD
Retailer 5$1,703 SGD
Retailer 6$1,769 SGD
Retailer 9$2,326 SGD
Retailer 12$2,353 SGD
Retailer 11$2,392 SGD
Retailer 15$2,503 SGD
Retailer 8$2,595 SGD
Retailer 16$2,658 SGD
Retailer 22$2,692 SGD
Retailer 10$2,739 SGD
Brilliant Earth$6,127 SGD

30 data points across 23 retailers

25 retailers$590 SGD to $6,127 SGD

A
Cheapest Retailer
-
$590 SGD
$460 USD
A
Retailer 2
-
$660 SGD
$515 USD
View
Final sale: no returns
A
Retailer 3
-
$661 SGD
$516 USD
View
A
Retailer 4
-
$732 SGD
$571 USD
View
A
Retailer 5
-
$804 SGD
HK$4,900 HKD
View
A
Retailer 6
-
$916 SGD
$715 USD
View
A
Retailer 7
-
$981 SGD
$765 USD
View
A
Retailer 8
-
$1,006 SGD
$785 USD
View
Price last confirmed 13 days ago
A
Retailer 9
-
$1,055 SGD
$823 USD
View
A
Retailer 10
-
$1,120 SGD
€832 EUR
View
A
Retailer 11
-
$1,205 SGD
£740 GBP
View
A
Retailer 12
-
$1,258 SGD
ZAR 15,852 ZAR
View
A
Retailer 13
-
$1,548 SGD
A$1,858 AUD
View
A
Retailer 14
-
$1,703 SGD
$1,329 USD
View
B+
Retailer 15
-
$1,769 SGD
$1,380 USD
View
B+
Retailer 16
-
$2,326 SGD
View
B+
Retailer 17
-
$2,353 SGD
$1,836 USD
View
B+
Retailer 18
-
$2,392 SGD
$1,866 USD
View
B+
Retailer 19
-
$2,503 SGD
A$3,004 AUD
View
Price last confirmed 8 days ago
B+
Retailer 20
-
$2,569 SGD
$2,004 USD
View
B+
Retailer 21
-
$2,595 SGD
$2,025 USD
View
B+
Retailer 22
-
$2,658 SGD
A$3,190 AUD
View
Price last confirmed 21 days ago
B+
Retailer 23
-
$2,692 SGD
£1,654 GBP
View
B+
Retailer 24
-
$2,739 SGD
$2,137 USD
View
Most Expensive
B
Brilliant Earth
14484113A · Oct 29
$6,127 SGD
$4,780 USD
View
24 more retailers have this diamond
Prices start from $590 SGDSave up to $5,537 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
$590 SGD