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1.16ct I SI1 Round Lab Grown Diamond

EX • I/SI1 • IGI LG436074892

Shape and cutting style on the report: Round brilliant

Certificate IGI LG436074892

Diamond specifications and retailer prices

From $1,061 SGD
$830 USD
As of October 29, 2026
Save $5,112 SGD (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,173 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 1.16ct lab-grown round diamond

This 1.16ct 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 LG436074892 or 436074892. Listed at 12 retailers as of October 29, 2026, with prices from $1,061 to $6,173, a $5,112 spread on the same certified stone. MOH London lists it at $6,173. 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

1.16
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.6°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436074892
Dimensions6.79 × 6.82 × 4.08 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
6.79 mm6.82 mm1.16 ctI / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436074892
Side View
Table 59.5%Crown 31.6°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 59.9%

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: $6,173 SGD|Low: $1,061 SGD|High: $6,223 SGD|Avg: $2,708 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
October 31, 2026
Retailer 5$1,061 SGD
Retailer 4$1,648 SGD
Retailer 9$1,845 SGD
Retailer 6$1,911 SGD
Retailer 8$1,911 SGD
Retailer 10$2,129 SGD
Retailer 11$2,619 SGD
Retailer 7$3,025 SGD
Retailer 2$3,260 SGD
Retailer 3$3,563 SGD
MOH London$6,173 SGD

21 data points across 11 retailers

12 retailers$1,061 SGD to $6,173 SGD

A
Cheapest Retailer
-
$1,061 SGD
$830 USD
A
Retailer 2
-
$1,648 SGD
$1,289 USD
View
B+
Retailer 3
-
$1,792 SGD
$1,402 USD
View
B+
Retailer 4
-
$1,845 SGD
$1,443 USD
View
Final sale: no returns
B+
Retailer 5
-
$1,911 SGD
$1,495 USD
View
Retailer 6
-
$1,911 SGD
$1,495 USD
View
Price last confirmed 19 days ago
B+
Retailer 7
-
$2,129 SGD
$1,665 USD
View
B
Retailer 8
-
$3,025 SGD
$2,366 USD
View
B
Retailer 9
-
$3,260 SGD
€2,429 EUR
View
B
Retailer 10
-
$3,563 SGD
$2,787 USD
View
B
Retailer 11
-
$3,582 SGD
$2,802 USD
View
Most Expensive
B
MOH London
LG436074892 · Oct 29
$6,173 SGD
£3,802 GBP
View
11 more retailers have this diamond
Prices start from $1,061 SGDSave up to $5,112 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
1.16ct Round
$1,061 SGD