Radiant|Lab Grown|IGI

1.61ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG572350932

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG572350932

Diamond specifications and retailer prices

From $173 USD
As of October 27, 2026
Save $1,487 USD (90%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,660 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.61ct lab-grown radiant diamond

This 1.61ct lab-grown radiant sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG572350932 or 572350932. Listed at 9 retailers as of October 27, 2026, with prices from $173 to $1,660, a $1,487 spread on the same certified stone. Do Amore Diamonds lists it at $1,660. 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

1.61
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.5°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG572350932
Dimensions8.16 × 5.73 × 3.87 mm
L/W Ratio1.42
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
8.16 mm5.73 mm1.61 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG572350932
Side View
Table 66.0%Crown 47.5°Girdle: MediumPavilion 34.9°Culet: NoneDepth 67.5%

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 27
Current: $1,660 USD|Low: $172 USD|High: $1,720 USD|Avg: $714 USD|-3.5%
Do Amore Diamonds
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
October 29, 2026
Retailer 9$173 USD
Retailer 7$201 USD
Retailer 13$201 USD
Retailer 11$382 USD
Retailer 3$419 USD
Retailer 4$535 USD
Retailer 6$643 USD
Retailer 14$695 USD
Retailer 8$728 USD
Retailer 10$761 USD
Retailer 5$917 USD
Retailer 12$1,050 USD
Retailer 2$1,113 USD
Do Amore Diamonds$1,660 USD

19 data points across 14 retailers

9 retailers$173 USD to $1,660 USD

A
Cheapest Retailer
-
$173 USD
A
Retailer 2
-
$201 USD
View
A
Retailer 3
-
$201 USD
View
Final sale: no returns
B+
Retailer 4
-
$382 USD
View
Retailer 5
-
$728 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
$761 USD
View
B
Retailer 7
-
$1,050 USD
View
B
Retailer 8
-
$1,113 USD
£876 GBP
View
Most Expensive
B
Do Amore Diamonds
27-5EE6C6595 · Oct 29
$1,660 USD
View
8 more retailers have this diamond
Prices start from $173 USDSave up to $1,487 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
1.61ct Radiant
$173 USD