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Round|Lab Grown|IGI

1.19ct I SI1 Round Lab Grown Diamond

EX • I/SI1 • IGI LG436074803

Shape and cutting style on the report: Round brilliant

Certificate IGI LG436074803

Diamond specifications and retailer prices

From $850 USD
As of October 29, 2026
Save $4,102 USD (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,952 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.19ct lab-grown round diamond

This 1.19ct 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 LG436074803 or 436074803. Listed at 12 retailers as of October 29, 2026, with prices from $850 to $4,952, a $4,102 spread on the same certified stone. MOH London lists it at $4,952. 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

1.19
Carat
I
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436074803
Dimensions6.70 × 6.72 × 4.26 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
6.70 mm6.72 mm1.19 ctI / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436074803
Side View
Table 57.0%Crown 35.9°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 63.4%

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: $4,952 USD|Low: $850 USD|High: $4,991 USD|Avg: $2,172 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
October 29, 2026
Retailer 5$850 USD
Retailer 4$1,321 USD
Retailer 9$1,480 USD
Retailer 6$1,533 USD
Retailer 8$1,533 USD
Retailer 10$1,705 USD
Retailer 11$2,095 USD
Retailer 7$2,424 USD
Retailer 2$2,620 USD
Retailer 3$2,857 USD
MOH London$4,952 USD

17 data points across 11 retailers

12 retailers$850 USD to $4,952 USD

A
Cheapest Retailer
-
$850 USD
B+
Retailer 2
-
$1,321 USD
View
B+
Retailer 3
-
$1,438 USD
View
B+
Retailer 4
-
$1,480 USD
View
Final sale: no returns
B+
Retailer 5
-
$1,533 USD
View
Retailer 6
-
$1,533 USD
View
Price last confirmed 18 days ago
B+
Retailer 7
-
$1,705 USD
View
B
Retailer 8
-
$2,424 USD
View
B
Retailer 9
-
$2,620 USD
€2,495 EUR
View
B
Retailer 10
-
$2,857 USD
View
B
Retailer 11
-
$2,873 USD
View
Most Expensive
B
MOH London
LG436074803 · Oct 29
$4,952 USD
£3,899 GBP
View
11 more retailers have this diamond
Prices start from $850 USDSave up to $4,102 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
1.19ct Round
$850 USD