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Round|Lab Grown|IGI

1.37ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG598316809

Shape and cutting style on the report: Round brilliant

Certificate IGI LG598316809

Diamond specifications and retailer prices

From $170 USD
As of October 29, 2026
Save $1,460 USD (90%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,630 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.37ct lab-grown round diamond

This 1.37ct 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 LG598316809 or 598316809. Listed at 10 retailers as of October 29, 2026, with prices from $170 to $1,630, a $1,460 spread on the same certified stone. Do Amore Diamonds lists it at $1,630. 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

1.37
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG598316809
Dimensions7.18 × 7.21 × 4.37 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
7.18 mm7.21 mm1.37 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG598316809
Side View
Table 57.0%Crown 33.6°Girdle: MediumPavilion 41°Culet: NoneDepth 60.7%

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 29
Current: $1,630 USD|Low: $137 USD|High: $1,630 USD|Avg: $762 USD|+3.8%
Do Amore Diamonds
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$170 USD
Retailer 7$190 USD
Retailer 6$377 USD
Retailer 11$403 USD
Retailer 9$532 USD
Retailer 8$544 USD
Retailer 4$714 USD
Retailer 10$900 USD
Retailer 2$1,092 USD
Retailer 3$1,540 USD
Do Amore Diamonds$1,630 USD

11 data points across 11 retailers

10 retailers$170 USD to $1,630 USD

A
Cheapest Retailer
-
$170 USD
A
Retailer 2
-
$190 USD
View
Final sale: no returns
A
Retailer 3
-
$197 USD
View
B+
Retailer 4
-
$377 USD
View
Retailer 5
-
$714 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$747 USD
View
B
Retailer 7
-
$900 USD
View
B
Retailer 8
-
$1,092 USD
£860 GBP
View
B
Retailer 9
-
$1,540 USD
View
Most Expensive
B
Do Amore Diamonds
27-417C1BD7C · Oct 29
$1,630 USD
View
9 more retailers have this diamond
Prices start from $170 USDSave up to $1,460 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
1.37ct Round
$170 USD