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Round|Lab Grown|IGI

15.09ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG579385501

Shape and cutting style on the report: Round brilliant

Certificate IGI LG579385501

Diamond specifications and retailer prices

From $6,464 SGD
$5,056 USD
As of October 29, 2026
Save $22,786 SGD (78%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $44,476 SGD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 15.09ct lab-grown round diamond

This 15.09ct lab-grown round sits in the over five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG579385501 or 579385501. Listed at 12 retailers as of October 29, 2026, with a 353% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

15.09
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG579385501
Dimensions16.02 × 15.92 × 9.69 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
16.02 mm15.92 mm15.09 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG579385501
Side View
Table 58.0%Crown 34.5°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.6%

Caratlytics Score

How it works →
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: $44,476 SGD|Low: $6,205 SGD|High: $44,476 SGD|Avg: $14,521 SGD
Do Amore Diamonds
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
November 1, 2026
Retailer 10$6,464 SGD
Retailer 2$6,648 SGD
Retailer 13$6,774 SGD
Retailer 15$7,240 SGD
Retailer 4$7,769 SGD
Retailer 8$9,403 SGD
Retailer 9$9,403 SGD
Retailer 14$9,826 SGD
Retailer 6$9,982 SGD
Retailer 12$11,587 SGD
Retailer 3$13,119 SGD
Retailer 5$17,804 SGD
Retailer 7$24,883 SGD
Retailer 11$29,250 SGD
Do Amore Diamonds$44,476 SGD

41 data points across 15 retailers

12 retailers$6,464 SGD to $29,250 SGD

A
Cheapest Retailer
-
$6,464 SGD
$5,056 USD
B+
Retailer 2
-
$6,648 SGD
£4,094 GBP
View
B+
Retailer 3
-
$6,774 SGD
$5,299 USD
View
B+
Retailer 4
-
$7,240 SGD
$5,663 USD
View
Final sale: no returns
B+
Retailer 5
-
$9,403 SGD
$7,355 USD
View
B+
Retailer 6
-
$9,403 SGD
$7,355 USD
View
B+
Retailer 7
-
$9,826 SGD
$7,686 USD
View
B+
Retailer 8
-
$9,982 SGD
HK$61,000 HKD
View
B
Retailer 9
-
$11,587 SGD
$9,064 USD
View
B
Retailer 10
-
$17,804 SGD
$13,927 USD
View
B
Retailer 11
-
$29,250 SGD
$22,880 USD
View
Most Expensive
Do Amore Diamonds
27-04D79734D · Oct 31
$44,476 SGD
$34,790 USD
View
Price under review
11 more retailers have this diamond
Prices start from $6,464 SGDSave up to $22,786 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
15.09ct Round
$6,464 SGD