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1.14ct H SI1 Round Lab Grown Diamond

ID • H/SI1 • IGI LG499191806

Shape and cutting style on the report: Round brilliant

Certificate IGI LG499191806

Diamond specifications and retailer prices

From $660 USD
As of October 30, 2026
Save $2,699 USD (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,359 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.14ct lab-grown round diamond

This 1.14ct 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 LG499191806 or 499191806. Listed at 11 retailers as of October 29, 2026, with prices from $660 to $3,359, a $2,699 spread on the same certified stone. MOH London lists it at $3,359. 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

1.14
Carat
H
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG499191806
Dimensions6.63 × 6.69 × 4.16 mm
L/W Ratio1.01
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
6.63 mm6.69 mm1.14 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG499191806
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.5%

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: $3,359 USD|Low: $660 USD|High: $3,386 USD|Avg: $1,362 USD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 2$660 USD
Retailer 4$734 USD
Retailer 8$820 USD
Retailer 5$851 USD
Retailer 7$851 USD
Retailer 9$1,030 USD
Retailer 10$1,338 USD
Retailer 6$1,379 USD
Retailer 3$2,096 USD
MOH London$3,359 USD

18 data points across 10 retailers

11 retailers$660 USD to $3,359 USD

A
Cheapest Retailer
-
$660 USD
A
Retailer 2
-
$734 USD
View
A
Retailer 3
-
$798 USD
View
A
Retailer 4
-
$820 USD
View
Final sale: no returns
A
Retailer 5
-
$851 USD
View
Retailer 6
-
$851 USD
View
Price last confirmed 18 days ago
A
Retailer 7
-
$1,030 USD
View
B+
Retailer 8
-
$1,379 USD
View
B
Retailer 9
-
$2,096 USD
View
B
Retailer 10
-
$2,392 USD
View
Most Expensive
B
MOH London
LG499191806 · Oct 29
$3,359 USD
£2,645 GBP
View
10 more retailers have this diamond
Prices start from $660 USDSave up to $2,699 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
1.14ct Round
$660 USD