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Round|Lab Grown|IGI

1.50ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG805666699

Shape and cutting style on the report: Round brilliant

Certificate IGI LG805666699

Diamond specifications and retailer prices

From $673 SGD
A$808 AUD
As of October 29, 2026
17 retailers carry this diamond
Most expensive: $1,524 SGD at Reve Diamonds · As of October 21, 2026
View at Reve Diamonds

About this 1.5ct lab-grown round diamond

This 1.5ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG805666699 or 805666699. Listed at 17 retailers as of October 29, 2026. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.50
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805666699
Dimensions7.36 × 7.29 × 4.48 mm
L/W Ratio1.01
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
7.36 mm7.29 mm1.50 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805666699
Side View
Table 61.0%Crown 34.3°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $283 SGD|Low: $204 SGD|High: $1,524 SGD|Avg: $675 SGD|+39.0%
Retailer 1
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
Reve Diamonds
October 21, 2026
Retailer 5$255 SGD
Retailer 1$283 SGD
Retailer 17$295 SGD
Retailer 7$315 SGD
Retailer 18$315 SGD
Retailer 13$524 SGD
Retailer 6$536 SGD
Retailer 11$545 SGD
Retailer 3$549 SGD
Retailer 12$552 SGD
Retailer 10$673 SGD
Retailer 4$741 SGD
Retailer 16$829 SGD
Retailer 14$942 SGD
Retailer 8$1,014 SGD
Retailer 2$1,083 SGD
Retailer 9$1,115 SGD
Retailer 15$1,483 SGD
Reve Diamonds$1,524 SGD

36 data points across 19 retailers

17 retailers

Retailer 1
-
$255 SGD
$199 USD
Price last confirmed 9 days ago
Retailer 2
-
$295 SGD
$230 USD
View
Price last confirmed 10 days ago
Retailer 3
-
$315 SGD
$246 USD
View
Price last confirmed 14 days ago
Retailer 4
-
$315 SGD
$246 USD
View
Price last confirmed 11 days ago
Retailer 5
-
$536 SGD
$418 USD
View
Price last confirmed 9 days ago
Retailer 6
-
$545 SGD
£335 GBP
View
Price last confirmed 9 days ago
Retailer 7
-
$549 SGD
$428 USD
View
Price last confirmed 9 days ago
Retailer 8
-
$552 SGD
£339 GBP
View
Price last confirmed 9 days ago
B+
Retailer 9
-
$673 SGD
A$808 AUD
View
Retailer 10
-
$741 SGD
$578 USD
View
Price last confirmed 8 days ago
Retailer 11
-
$829 SGD
$647 USD
View
Price last confirmed 8 days ago
Retailer 12
-
$942 SGD
$735 USD
View
Price last confirmed 9 days ago
Retailer 13
-
$1,014 SGD
$791 USD
View
Price last confirmed 12 days ago
Retailer 14
-
$1,083 SGD
$845 USD
View
Price last confirmed 9 days ago
Retailer 15
-
$1,115 SGD
$870 USD
View
Price last confirmed 8 days ago
Retailer 16
-
$1,483 SGD
£911 GBP
View
Price last confirmed 11 days ago
Most Expensive
Reve Diamonds
DD05CB7DE · Oct 21
$1,524 SGD
$1,189 USD
View
Price last confirmed 9 days ago
16 more retailers have this diamond
Prices start from $673 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.

B+
1.50ct Round
$673 SGD