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Round|Lab Grown|IGI

1.15ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG731588398

Shape and cutting style on the report: Round brilliant

Certificate IGI LG731588398

Diamond specifications and retailer prices

From $294 SGD
$230 USD
As of October 30, 2026
Save $1,255 SGD (81%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,549 SGD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.15ct lab-grown round diamond

This 1.15ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG731588398 or 731588398. Listed at 20 retailers as of October 30, 2026, with prices from $294 to $1,549, a $1,255 spread on the same certified stone. Reve Diamonds lists it at $1,549. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.15
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG731588398
Dimensions6.79 × 6.73 × 4.14 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
6.79 mm6.73 mm1.15 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG731588398
Side View
Table 56.0%Crown 33.2°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $528 SGD|Low: $294 SGD|High: $1,549 SGD|Avg: $724 SGD|-0.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Reve Diamonds
October 30, 2026
Retailer 9$294 SGD
Retailer 2$322 SGD
Retailer 8$450 SGD
Retailer 1$528 SGD
Retailer 5$551 SGD
Retailer 3$598 SGD
Retailer 10$634 SGD
Retailer 4$797 SGD
Retailer 7$1,052 SGD
Retailer 6$1,533 SGD
Reve Diamonds$1,549 SGD

41 data points across 11 retailers

20 retailers$294 SGD to $1,549 SGD

Retailer 1
-
$252 SGD
$197 USD
Price last confirmed 23 days ago
Retailer 2
-
$263 SGD
$206 USD
View
Price last confirmed 39 days ago
A
Retailer 3
-
$294 SGD
$230 USD
View
Final sale: no returns
Retailer 4
-
$306 SGD
$239 USD
View
Price last confirmed 39 days ago
Retailer 5
-
$322 SGD
$252 USD
View
Price last confirmed 39 days ago
Retailer 6
-
$326 SGD
$255 USD
View
Price last confirmed 29 days ago
Retailer 7
-
$326 SGD
$255 USD
View
Price last confirmed 23 days ago
A
Retailer 8
-
$450 SGD
$352 USD
View
A
Retailer 9
-
$528 SGD
£325 GBP
View
Retailer 10
-
$551 SGD
ZAR 6,968 ZAR
View
Price last confirmed 8 days ago
A
Retailer 11
-
$598 SGD
£368 GBP
View
A
Retailer 12
-
$634 SGD
$496 USD
View
A
Retailer 13
-
$752 SGD
$588 USD
View
A
Retailer 14
-
$797 SGD
A$959 AUD
View
Retailer 15
-
$1,048 SGD
$820 USD
View
Price last confirmed 40 days ago
Retailer 16
-
$1,048 SGD
$820 USD
View
Price last confirmed 31 days ago
B+
Retailer 17
-
$1,052 SGD
$823 USD
View
B+
Retailer 18
-
$1,116 SGD
$873 USD
View
B
Retailer 19
-
$1,533 SGD
£944 GBP
View
Most Expensive
B
Reve Diamonds
12806E69B · Oct 30
$1,549 SGD
$1,212 USD
View
19 more retailers have this diamond
Prices start from $294 SGDSave up to $1,255 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
1.15ct Round
$294 SGD