CaratHunter
Plans
Round|Lab Grown|IGI

1.39ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG632444844

Shape and cutting style on the report: Round brilliant

Certificate IGI LG632444844

Diamond specifications and retailer prices

From $266 USD
As of November 1, 2026
Save $1,055 USD (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,321 USD at MOH London · As of November 1, 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG632444844 or 632444844. Listed at 15 retailers as of November 1, 2026, with prices from $266 to $1,321, a $1,055 spread on the same certified stone. MOH London lists it at $1,321. 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
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG632444844
Dimensions7.20 × 7.15 × 4.42 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
7.20 mm7.15 mm1.39 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG632444844
Side View
Table 56.0%Crown 33.4°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.5%

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: Nov 1
Current: $1,321 USD|Low: $266 USD|High: $1,449 USD|Avg: $611 USD|-7.8%
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
November 2, 2026
Retailer 3$266 USD
Retailer 4$297 USD
Retailer 12$308 USD
Retailer 8$330 USD
Retailer 6$333 USD
Retailer 13$342 USD
Retailer 5$490 USD
Retailer 14$502 USD
Retailer 7$550 USD
Retailer 11$587 USD
Retailer 2$625 USD
Retailer 10$1,013 USD
Retailer 9$1,060 USD
Retailer 15$1,111 USD
MOH London$1,321 USD

43 data points across 15 retailers

15 retailers$266 USD to $1,321 USD

A
Cheapest Retailer
-
$266 USD
A
Retailer 2
-
$297 USD
View
Final sale: no returns
A
Retailer 3
-
$308 USD
View
A
Retailer 4
-
$330 USD
View
Retailer 5
-
$333 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$342 USD
View
A
Retailer 7
-
$490 USD
View
A
Retailer 8
-
$502 USD
View
B+
Retailer 9
-
$550 USD
View
B+
Retailer 10
-
$587 USD
View
B+
Retailer 11
-
$625 USD
£492 GBP
View
B
Retailer 12
-
$1,013 USD
View
B
Retailer 13
-
$1,060 USD
View
B
Retailer 14
-
$1,111 USD
View
Most Expensive
B
MOH London
LG632444844 · Nov 1
$1,321 USD
£1,040 GBP
View
14 more retailers have this diamond
Prices start from $266 USDSave up to $1,055 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
$266 USD