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1.10ct H SI1 Round Lab Grown Diamond

ID • H/SI1 • IGI LG474128816

Shape and cutting style on the report: Round brilliant

Certificate IGI LG474128816

Diamond specifications and retailer prices

From $911 AUD
$640 USD
As of October 30, 2026
Save $3,710 AUD (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,621 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 1.1ct lab-grown round diamond

This 1.1ct lab-grown round sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG474128816 or 474128816. Listed at 11 retailers as of October 29, 2026, with prices from $911 to $4,621, a $3,710 spread on the same certified stone. MOH London lists it at $4,621. 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

1.10
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG474128816
Dimensions6.66 × 6.64 × 4.05 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
6.66 mm6.64 mm1.10 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG474128816
Side View
Table 59.5%Crown 32.8°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 60.9%

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 30
Current: $4,621 AUD|Low: $911 AUD|High: $4,652 AUD|Avg: $1,802 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
October 30, 2026
Retailer 2$911 AUD
Retailer 5$1,009 AUD
Retailer 9$1,130 AUD
Retailer 6$1,170 AUD
Retailer 8$1,170 AUD
Retailer 3$1,208 AUD
Retailer 10$1,424 AUD
Retailer 11$1,851 AUD
Retailer 7$1,901 AUD
Retailer 4$2,883 AUD
MOH London$4,621 AUD

16 data points across 11 retailers

11 retailers$911 AUD to $4,621 AUD

A
Cheapest Retailer
-
$911 AUD
$640 USD
A
Retailer 2
-
$1,009 AUD
$709 USD
View
A
Retailer 3
-
$1,098 AUD
$771 USD
View
A
Retailer 4
-
$1,130 AUD
$794 USD
View
Final sale: no returns
A
Retailer 5
-
$1,170 AUD
$822 USD
View
Retailer 6
-
$1,170 AUD
$822 USD
View
Price last confirmed 18 days ago
A
Retailer 7
-
$1,424 AUD
$1,000 USD
View
B+
Retailer 8
-
$1,901 AUD
$1,335 USD
View
B
Retailer 9
-
$2,883 AUD
$2,025 USD
View
B
Retailer 10
-
$3,291 AUD
$2,312 USD
View
Most Expensive
B
MOH London
LG474128816 · Oct 29
$4,621 AUD
£2,556 GBP
View
10 more retailers have this diamond
Prices start from $911 AUDSave up to $3,710 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
1.10ct Round
$911 AUD