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Round|Lab Grown|IGI

1.16ct I SI1 Round Lab Grown Diamond

EX • I/SI1 • IGI LG310861362

Shape and cutting style on the report: Round brilliant

Certificate IGI LG310861362

Diamond specifications and retailer prices

From $528 AUD
$371 USD
As of November 1, 2026
Save $991 AUD (65%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,519 AUD at MOH London · As of November 1, 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 LG310861362 or 310861362. Listed at 5 retailers as of November 1, 2026, with prices from $528 to $1,519, a $991 spread on the same certified stone. MOH London lists it at $1,519. 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 angle34.4°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG310861362
Dimensions6.75 × 6.72 × 4.14 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANTThis Chemical Vapor Deposition (CVD) laboratory grown diamond is classified as Type IIa
Top View
6.75 mm6.72 mm1.16 ctI / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG310861362
Side View
Table 59.5%Crown 34.4°Girdle: MediumPavilion 41.2°Culet: NoneDepth 61.4%

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: Nov 1
Current: $1,519 AUD|Low: $493 AUD|High: $1,537 AUD|Avg: $885 AUD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 3$528 AUD
Retailer 2$598 AUD
Retailer 5$652 AUD
Retailer 4$753 AUD
Retailer 6$1,262 AUD
MOH London$1,519 AUD

14 data points across 6 retailers

5 retailers$528 AUD to $1,519 AUD

A
Cheapest Retailer
-
$528 AUD
$371 USD
A
Retailer 2
-
$598 AUD
$420 USD
View
A
Retailer 3
-
$652 AUD
$458 USD
View
A
Retailer 4
-
$753 AUD
$529 USD
View
Most Expensive
B+
MOH London
LG_310861362 · Nov 1
$1,519 AUD
£840 GBP
View
4 more retailers have this diamond
Prices start from $528 AUDSave up to $991 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
$528 AUD