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Round|Lab Grown|IGI

1.50ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG776652956

Shape and cutting style on the report: Round brilliant

Certificate IGI LG776652956

Diamond specifications and retailer prices

From $276 SGD
$216 USD
As of October 29, 2026
Save $1,315 SGD (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,591 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 LG776652956 or 776652956. Listed at 20 retailers as of October 29, 2026, with prices from $276 to $1,591, a $1,315 spread on the same certified stone. Reve Diamonds lists it at $1,591. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG776652956
Dimensions7.27 × 7.33 × 4.54 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
7.27 mm7.33 mm1.50 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG776652956
Side View
Table 58.0%Crown 35.9°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.1%

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: $592 SGD|Low: $265 SGD|High: $1,591 SGD|Avg: $725 SGD|+2.1%
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 30, 2026
Retailer 17$276 SGD
Retailer 9$308 SGD
Retailer 3$321 SGD
Retailer 2$343 SGD
Retailer 7$343 SGD
Retailer 5$460 SGD
Retailer 4$543 SGD
Retailer 13$556 SGD
Retailer 1$592 SGD
Retailer 11$633 SGD
Retailer 8$667 SGD
Retailer 14$688 SGD
Retailer 16$888 SGD
Retailer 15$952 SGD
Retailer 6$1,101 SGD
Retailer 18$1,112 SGD
Retailer 10$1,168 SGD
Retailer 12$1,380 SGD
Reve Diamonds$1,591 SGD

40 data points across 19 retailers

20 retailers$276 SGD to $1,591 SGD

A
Cheapest Retailer
-
$276 SGD
$216 USD
A
Retailer 2
-
$308 SGD
$241 USD
View
Final sale: no returns
A
Retailer 3
-
$321 SGD
$251 USD
View
A
Retailer 4
-
$343 SGD
$268 USD
View
A
Retailer 5
-
$343 SGD
$268 USD
View
B+
Retailer 6
-
$460 SGD
$360 USD
View
A
Retailer 7
-
$543 SGD
$425 USD
View
A
Retailer 8
-
$556 SGD
€414 EUR
View
A
Retailer 9
-
$592 SGD
£365 GBP
View
A
Retailer 10
-
$633 SGD
£390 GBP
View
B+
Retailer 11
-
$667 SGD
$522 USD
View
B+
Retailer 12
-
$688 SGD
A$828 AUD
View
Retailer 13
-
$758 SGD
$593 USD
View
Price last confirmed 31 days ago
B
Retailer 14
-
$888 SGD
$695 USD
View
B+
Retailer 15
-
$952 SGD
$745 USD
View
B
Retailer 16
-
$1,101 SGD
$861 USD
View
B
Retailer 17
-
$1,112 SGD
$870 USD
View
B
Retailer 18
-
$1,168 SGD
$914 USD
View
B
Retailer 19
-
$1,380 SGD
£850 GBP
View
Most Expensive
B
Reve Diamonds
DDFA18ECD · Oct 30
$1,591 SGD
$1,245 USD
View
19 more retailers have this diamond
Prices start from $276 SGDSave up to $1,315 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
$276 SGD