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Round|Lab Grown|IGI

1.38ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG621402224

Shape and cutting style on the report: Round brilliant

Certificate IGI LG621402224

Diamond specifications and retailer prices

From $171 USD
As of October 29, 2026
Save $1,469 USD (90%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,640 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.38ct lab-grown round diamond

This 1.38ct 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 LG621402224 or 621402224. Listed at 10 retailers as of October 29, 2026, with prices from $171 to $1,640, a $1,469 spread on the same certified stone. Do Amore Diamonds lists it at $1,640. 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

1.38
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621402224
Dimensions7.12 × 7.18 × 4.34 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
7.12 mm7.18 mm1.38 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621402224
Side View
Table 59.0%Crown 33.5°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 60.5%

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: Oct 29
Current: $1,640 USD|Low: $138 USD|High: $1,640 USD|Avg: $767 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 18, 2026
Retailer 5$171 USD
Retailer 7$191 USD
Retailer 6$379 USD
Retailer 10$428 USD
Retailer 11$534 USD
Retailer 9$551 USD
Retailer 4$719 USD
Retailer 8$910 USD
Retailer 2$1,099 USD
Retailer 3$1,550 USD
Do Amore Diamonds$1,640 USD

11 data points across 11 retailers

10 retailers$171 USD to $1,640 USD

A
Cheapest Retailer
-
$171 USD
A
Retailer 2
-
$191 USD
View
Final sale: no returns
A
Retailer 3
-
$198 USD
View
B+
Retailer 4
-
$379 USD
View
Retailer 5
-
$719 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
$751 USD
View
B
Retailer 7
-
$910 USD
View
Retailer 8
-
$1,099 USD
£865 GBP
View
Price last confirmed 15 days ago
B
Retailer 9
-
$1,550 USD
View
Most Expensive
B
Do Amore Diamonds
27-29423418A · Oct 29
$1,640 USD
View
9 more retailers have this diamond
Prices start from $171 USDSave up to $1,469 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
1.38ct Round
$171 USD