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Round|Lab Grown|IGI

1.15ct I SI1 Round Lab Grown Diamond

EX • I/SI1 • IGI LG436074487

Shape and cutting style on the report: Round brilliant

Certificate IGI LG436074487

Diamond specifications and retailer prices

From $1,048 SGD
$820 USD
As of October 29, 2026
Save $5,073 SGD (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,121 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 1.15ct lab-grown round diamond

This 1.15ct lab-grown round sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436074487 or 436074487. Listed at 12 retailers as of October 29, 2026, with prices from $1,048 to $6,121, a $5,073 spread on the same certified stone. MOH London lists it at $6,121. 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

1.15
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436074487
Dimensions6.77 × 6.79 × 4.06 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
6.77 mm6.79 mm1.15 ctI / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436074487
Side View
Table 60.0%Crown 33.1°GirdlePavilion 40.7°Culet: NoneDepth 59.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $6,121 SGD|Low: $1,048 SGD|High: $6,161 SGD|Avg: $2,932 SGD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 6$1,048 SGD
Retailer 5$1,634 SGD
Retailer 10$1,829 SGD
Retailer 7$1,895 SGD
Retailer 9$1,895 SGD
Retailer 11$2,116 SGD
Retailer 12$2,600 SGD
Retailer 8$2,999 SGD
Retailer 2$3,234 SGD
Retailer 3$3,532 SGD
Retailer 4$5,426 SGD
MOH London$6,121 SGD

21 data points across 12 retailers

12 retailers$1,048 SGD to $6,121 SGD

A
Cheapest Retailer
-
$1,048 SGD
$820 USD
B+
Retailer 2
-
$1,634 SGD
$1,278 USD
View
B+
Retailer 3
-
$1,777 SGD
$1,390 USD
View
B+
Retailer 4
-
$1,829 SGD
$1,431 USD
View
Final sale: no returns
B+
Retailer 5
-
$1,895 SGD
$1,482 USD
View
Retailer 6
-
$1,895 SGD
$1,482 USD
View
Price last confirmed 19 days ago
B
Retailer 7
-
$2,116 SGD
$1,655 USD
View
B
Retailer 8
-
$2,999 SGD
$2,346 USD
View
B
Retailer 9
-
$3,234 SGD
€2,409 EUR
View
B
Retailer 10
-
$3,532 SGD
$2,763 USD
View
B
Retailer 11
-
$3,553 SGD
$2,779 USD
View
Most Expensive
B
MOH London
LG436074487 · Oct 29
$6,121 SGD
£3,770 GBP
View
11 more retailers have this diamond
Prices start from $1,048 SGDSave up to $5,073 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
1.15ct Round
$1,048 SGD