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Round|Lab Grown|IGI

1.50ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG749570657

Shape and cutting style on the report: Round brilliant

Certificate IGI LG749570657

Diamond specifications and retailer prices

From $299 SGD
$234 USD
As of October 29, 2026
Save $1,365 SGD (82%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,664 SGD at Reve Diamonds · As of October 30, 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 LG749570657 or 749570657. Listed at 22 retailers as of October 29, 2026, with prices from $299 to $1,664, a $1,365 spread on the same certified stone. Reve Diamonds lists it at $1,664. 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 angle34.4°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG749570657
Dimensions7.35 × 7.29 × 4.53 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
7.35 mm7.29 mm1.50 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG749570657
Side View
Table 61.0%Crown 34.4°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.0%

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: $697 SGD|Low: $285 SGD|High: $1,664 SGD|Avg: $756 SGD|+6.0%
Retailer 1
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Retailer 4
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Retailer 9
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Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Reve Diamonds
October 30, 2026
Retailer 7$299 SGD
Retailer 11$335 SGD
Retailer 15$346 SGD
Retailer 10$367 SGD
Retailer 4$371 SGD
Retailer 17$551 SGD
Retailer 5$628 SGD
Retailer 18$643 SGD
Retailer 12$644 SGD
Retailer 2$692 SGD
Retailer 1$697 SGD
Retailer 16$738 SGD
Retailer 14$969 SGD
Retailer 9$972 SGD
Retailer 8$1,191 SGD
Retailer 6$1,259 SGD
Retailer 3$1,381 SGD
Retailer 13$1,494 SGD
Reve Diamonds$1,664 SGD

38 data points across 19 retailers

22 retailers$299 SGD to $1,664 SGD

A
Cheapest Retailer
-
$299 SGD
$234 USD
A
Retailer 2
-
$335 SGD
$262 USD
View
Final sale: no returns
A
Retailer 3
-
$346 SGD
$271 USD
View
Retailer 4
-
$367 SGD
$287 USD
View
Price last confirmed 18 days ago
A
Retailer 5
-
$371 SGD
$290 USD
View
A
Retailer 6
-
$551 SGD
$431 USD
View
B+
Retailer 7
-
$628 SGD
$491 USD
View
Retailer 8
-
$643 SGD
£396 GBP
View
Price last confirmed 13 days ago
A
Retailer 9
-
$644 SGD
€480 EUR
View
B+
Retailer 10
-
$692 SGD
$541 USD
View
B+
Retailer 11
-
$697 SGD
£429 GBP
View
B+
Retailer 12
-
$738 SGD
A$888 AUD
View
B+
Retailer 13
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$969 SGD
$758 USD
View
B
Retailer 14
-
$972 SGD
$760 USD
View
Retailer 15
-
$1,181 SGD
$924 USD
View
Price last confirmed 39 days ago
B
Retailer 16
-
$1,191 SGD
$932 USD
View
Retailer 17
-
$1,195 SGD
$935 USD
View
Price last confirmed 8 days ago
B
Retailer 18
-
$1,259 SGD
$984 USD
View
B
Retailer 19
-
$1,317 SGD
$1,030 USD
View
Retailer 20
-
$1,381 SGD
$1,080 USD
View
Price last confirmed 9 days ago
B
Retailer 21
-
$1,494 SGD
£920 GBP
View
Most Expensive
B
Reve Diamonds
A2967E34E · Oct 30
$1,664 SGD
$1,302 USD
View
21 more retailers have this diamond
Prices start from $299 SGDSave up to $1,365 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
1.50ct Round
$299 SGD