Round|Lab Grown|IGI

1.16ct I SI1 Round Lab Grown Diamond

EX • I/SI1 • IGI LG487174435

Shape and cutting style on the report: Round brilliant

Certificate IGI LG487174435

Diamond specifications and retailer prices

From $1,182 AUD
$830 USD
As of October 31, 2026
Save $5,692 AUD (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,874 AUD 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 LG487174435 or 487174435. Listed at 12 retailers as of October 29, 2026, with prices from $1,182 to $6,874, a $5,692 spread on the same certified stone. MOH London lists it at $6,874. 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 angle31.4°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG487174435
Dimensions6.86 × 6.89 × 4.01 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
6.86 mm6.89 mm1.16 ctI / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG487174435
Side View
Table 60.5%Crown 31.4°Girdle: MediumPavilion 40.2°Culet: NoneDepth 58.4%

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 31
Current: $6,874 AUD|Low: $1,182 AUD|High: $6,930 AUD|Avg: $3,276 AUD|+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 29, 2026
Retailer 6$1,182 AUD
Retailer 5$1,835 AUD
Retailer 10$2,054 AUD
Retailer 7$2,128 AUD
Retailer 9$2,128 AUD
Retailer 11$2,370 AUD
Retailer 12$2,917 AUD
Retailer 8$3,368 AUD
Retailer 2$3,640 AUD
Retailer 3$3,968 AUD
Retailer 4$6,093 AUD
MOH London$6,874 AUD

19 data points across 12 retailers

12 retailers$1,182 AUD to $6,874 AUD

A
Cheapest Retailer
-
$1,182 AUD
$830 USD
B+
Retailer 2
-
$1,835 AUD
$1,289 USD
View
B+
Retailer 3
-
$1,996 AUD
$1,402 USD
View
B+
Retailer 4
-
$2,054 AUD
$1,443 USD
View
Final sale: no returns
Retailer 5
-
$2,128 AUD
$1,495 USD
View
Price last confirmed 19 days ago
B+
Retailer 6
-
$2,128 AUD
$1,495 USD
View
B
Retailer 7
-
$2,370 AUD
$1,665 USD
View
B
Retailer 8
-
$3,368 AUD
$2,366 USD
View
B
Retailer 9
-
$3,640 AUD
€2,435 EUR
View
B
Retailer 10
-
$3,968 AUD
$2,787 USD
View
B
Retailer 11
-
$3,989 AUD
$2,802 USD
View
Most Expensive
B
MOH London
LG487174435 · Oct 29
$6,874 AUD
£3,802 GBP
View
11 more retailers have this diamond
Prices start from $1,182 AUDSave up to $5,692 AUD

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
$1,182 AUD