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Round|Lab Grown|IGI

11.54ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG581343778

Shape and cutting style on the report: Round brilliant

Certificate IGI LG581343778

Diamond specifications and retailer prices

From $4,086 SGD
$3,195 USD
As of November 1, 2026
Save $11,274 SGD (73%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $15,360 SGD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 11.54ct lab-grown round diamond

This 11.54ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG581343778 or 581343778. Listed at 10 retailers as of October 29, 2026, with prices from $4,086 to $15,360, a $11,274 spread on the same certified stone. Do Amore Diamonds lists it at $15,360. 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

11.54
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG581343778
Dimensions14.63 × 14.68 × 8.81 mm
L/W Ratio1.00
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
14.63 mm14.68 mm11.54 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG581343778
Side View
Table 59.0%Crown 33.8°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.1%

Caratlytics Score

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

Price History

Last verified: Nov 1
Current: $15,360 SGD|Low: $2,232 SGD|High: $29,463 SGD|Avg: $10,036 SGD|-31.5%
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
Retailer 16
November 2, 2026
Retailer 12$2,232 SGD
Retailer 16$3,548 SGD
Retailer 3$3,990 SGD
Retailer 11$4,086 SGD
Retailer 2$4,306 SGD
Retailer 10$4,857 SGD
Retailer 7$5,533 SGD
Retailer 5$5,805 SGD
Retailer 15$6,700 SGD
Retailer 9$6,972 SGD
Retailer 4$7,207 SGD
Retailer 13$9,067 SGD
Retailer 14$13,696 SGD
Do Amore Diamonds$15,360 SGD
Retailer 6$20,232 SGD
Retailer 8$29,463 SGD

13 data points across 16 retailers

10 retailers$4,086 SGD to $15,360 SGD

Retailer 1
-
$2,232 SGD
$1,745 USD
Price last confirmed 7 days ago
Retailer 2
-
$3,548 SGD
$2,774 USD
View
Price last confirmed 13 days ago
B+
Retailer 3
-
$4,086 SGD
$3,195 USD
View
B+
Retailer 4
-
$4,306 SGD
£2,651 GBP
View
B+
Retailer 5
-
$4,857 SGD
$3,798 USD
View
Retailer 6
-
$6,700 SGD
$5,239 USD
View
Price last confirmed 12 days ago
B
Retailer 7
-
$6,972 SGD
£4,293 GBP
View
B
Retailer 8
-
$9,067 SGD
$7,090 USD
View
B
Retailer 9
-
$13,696 SGD
$10,709 USD
View
Most Expensive
B
Do Amore Diamonds
27-148F677EE · Oct 29
$15,360 SGD
$12,010 USD
View
9 more retailers have this diamond
Prices start from $4,086 SGDSave up to $11,274 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+
11.54ct Round
$4,086 SGD