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Round|Lab Grown|IGI

1.10ct I SI1 Round Lab Grown Diamond

EX • I/SI1 • IGI LG447099973

Shape and cutting style on the report: Round brilliant

Certificate IGI LG447099973

Diamond specifications and retailer prices

From $790 USD
As of October 29, 2026
Save $3,795 USD (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,585 USD 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG447099973 or 447099973. Listed at 13 retailers as of October 29, 2026, with prices from $790 to $4,585, a $3,795 spread on the same certified stone. MOH London lists it at $4,585. 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
I
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447099973
Dimensions6.61 × 6.66 × 4.07 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
6.61 mm6.66 mm1.10 ctI / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG447099973
Side View
Table 59.0%Crown 32.8°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 61.3%

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: $4,585 USD|Low: $790 USD|High: $4,622 USD|Avg: $2,116 USD|+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
Retailer 13
Retailer 14
Retailer 15
October 30, 2026
Retailer 10$790 USD
Retailer 9$1,224 USD
Retailer 14$1,331 USD
Retailer 3$1,369 USD
Retailer 11$1,419 USD
Retailer 13$1,419 USD
Retailer 4$1,590 USD
Retailer 2$1,863 USD
Retailer 5$1,986 USD
Retailer 12$2,251 USD
Retailer 8$2,429 USD
Retailer 15$2,660 USD
Retailer 6$2,719 USD
Retailer 7$4,064 USD
MOH London$4,585 USD

38 data points across 15 retailers

13 retailers$790 USD to $4,585 USD

A
Cheapest Retailer
-
$790 USD
B+
Retailer 2
-
$1,224 USD
View
B+
Retailer 3
-
$1,331 USD
View
B+
Retailer 4
-
$1,369 USD
View
Final sale: no returns
B+
Retailer 5
-
$1,419 USD
View
Retailer 6
-
$1,419 USD
View
Price last confirmed 18 days ago
B
Retailer 7
-
$1,590 USD
View
B+
Retailer 8
-
$1,863 USD
£1,467 GBP
View
B
Retailer 9
-
$2,251 USD
View
B
Retailer 10
-
$2,429 USD
€2,313 EUR
View
B
Retailer 11
-
$2,660 USD
View
B
Retailer 12
-
$2,719 USD
View
Most Expensive
B
MOH London
LG447099973 · Oct 29
$4,585 USD
£3,610 GBP
View
12 more retailers have this diamond
Prices start from $790 USDSave up to $3,795 USD

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
$790 USD