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1.39ct K SI1 Round Lab Grown Diamond

ID • K/SI1 • IGI LG492113549

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492113549

Diamond specifications and retailer prices

From $553 USD
As of November 5, 2026
Save $2,414 USD (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,967 USD at MOH London · As of November 5, 2026
View at MOH London

About this 1.39ct lab-grown round diamond

This 1.39ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG492113549 or 492113549. Listed at 10 retailers as of November 5, 2026, with prices from $553 to $2,967, a $2,414 spread on the same certified stone. MOH London lists it at $2,967. 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

1.39
Carat
K
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492113549
Dimensions7.15 × 7.13 × 4.39 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
7.15 mm7.13 mm1.39 ctK / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492113549
Side View
Table 57.0%Crown 35.8°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 61.5%

Caratlytics Score

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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: Nov 5
Current: $2,967 USD|Low: $530 USD|High: $3,010 USD|Avg: $1,204 USD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 5$553 USD
Retailer 10$614 USD
Retailer 6$685 USD
Retailer 8$685 USD
Retailer 3$820 USD
Retailer 2$948 USD
Retailer 7$1,057 USD
Retailer 9$1,115 USD
Retailer 4$1,768 USD
MOH London$2,967 USD

41 data points across 10 retailers

10 retailers$553 USD to $2,967 USD

A
Cheapest Retailer
-
$553 USD
A
Retailer 2
-
$619 USD
View
A
Retailer 3
-
$685 USD
View
Retailer 4
-
$685 USD
View
Price last confirmed 21 days ago
B+
Retailer 5
-
$820 USD
View
B+
Retailer 6
-
$948 USD
View
B+
Retailer 7
-
$1,057 USD
View
B
Retailer 8
-
$1,768 USD
View
B
Retailer 9
-
$1,802 USD
View
Most Expensive
B
MOH London
LG492113549 · Nov 5
$2,967 USD
£2,336 GBP
View
9 more retailers have this diamond
Prices start from $553 USDSave up to $2,414 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
1.39ct Round
$553 USD