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Round|Lab Grown|IGI

1.06ct I SI1 Round Lab Grown Diamond

EX • I/SI1 • IGI LG447099778

Shape and cutting style on the report: Round brilliant

Certificate IGI LG447099778

Diamond specifications and retailer prices

From $620 USD
As of October 30, 2026
Save $3,802 USD (86%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,422 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.06ct lab-grown round diamond

This 1.06ct 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 LG447099778 or 447099778. Listed at 12 retailers as of October 29, 2026, with prices from $620 to $4,422, a $3,802 spread on the same certified stone. MOH London lists it at $4,422. 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

1.06
Carat
I
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447099778
Dimensions6.51 × 6.48 × 4.07 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
6.51 mm6.48 mm1.06 ctI / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG447099778
Side View
Table 60.0%Crown 35.5°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 62.7%

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 30
Current: $4,422 USD|Low: $620 USD|High: $4,458 USD|Avg: $1,892 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
October 30, 2026
Retailer 2$620 USD
Retailer 6$1,180 USD
Retailer 10$1,322 USD
Retailer 7$1,369 USD
Retailer 9$1,369 USD
Retailer 4$1,484 USD
Retailer 11$1,540 USD
Retailer 12$1,924 USD
Retailer 8$2,173 USD
Retailer 5$2,346 USD
Retailer 3$2,697 USD
MOH London$4,422 USD

17 data points across 12 retailers

12 retailers$620 USD to $4,422 USD

A
Cheapest Retailer
-
$620 USD
B+
Retailer 2
-
$1,180 USD
View
B+
Retailer 3
-
$1,284 USD
View
B+
Retailer 4
-
$1,322 USD
View
Final sale: no returns
Retailer 5
-
$1,369 USD
View
Price last confirmed 18 days ago
B+
Retailer 6
-
$1,369 USD
View
B
Retailer 7
-
$1,540 USD
View
B
Retailer 8
-
$2,173 USD
View
B
Retailer 9
-
$2,346 USD
€2,234 EUR
View
B
Retailer 10
-
$2,566 USD
View
B
Retailer 11
-
$2,697 USD
View
Most Expensive
B
MOH London
LG447099778 · Oct 29
$4,422 USD
£3,482 GBP
View
11 more retailers have this diamond
Prices start from $620 USDSave up to $3,802 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
1.06ct Round
$620 USD