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Radiant|Lab Grown|IGI

1.61ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG754594007

Certificate IGI LG754594007

Diamond specifications and retailer prices

From $338 USD
Save $4,442 USD (93%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,780 USD at Brilliant Earth
View at Brilliant Earth

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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754594007 or 754594007. Listed at 15 retailers, with prices from $338 to $4,780 at Brilliant Earth, a $4,442 spread on the same certified stone. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.61
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.8°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754594007
Dimensions8.43 × 8.43 × 5.74 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.43 mm8.43 mm1.61 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754594007
Side View
Table 59.0%Crown 42.8°Girdle: Slightly ThickPavilion 34.4°Culet: NoneDepth 66.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 1
Current: $4,780 USD|Low: $241 USD|High: $4,780 USD|Avg: $1,354 USD
Brilliant Earth
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
Retailer 16
Retailer 17
October 1, 2026
Retailer 17$338 USD
Retailer 4$446 USD
Retailer 16$526 USD
Retailer 6$555 USD
Retailer 15$617 USD
Retailer 8$802 USD
Retailer 9$878 USD
Retailer 5$895 USD
Retailer 13$900 USD
Retailer 10$985 USD
Retailer 14$1,105 USD
Retailer 11$1,571 USD
Retailer 2$1,737 USD
Retailer 7$1,753 USD
Retailer 3$2,510 USD
Retailer 12$2,845 USD
Brilliant Earth$4,780 USD

28 data points across 17 retailers

15 retailers$338 USD to $4,780 USD

A
Cheapest Retailer
-
$338 USD
B+
Retailer 2
-
$446 USD
View
A
Retailer 3
-
$526 USD
View
A
Retailer 4
-
$555 USD
View
A
Retailer 5
-
$617 USD
€588 EUR
View
A
Retailer 6
-
$802 USD
ZAR 12,960 ZAR
View
Price last confirmed 100 days ago
A
Retailer 7
-
$895 USD
View
A
Retailer 8
-
$900 USD
A$1,384 AUD
View
A
Retailer 9
-
$985 USD
View
A
Retailer 10
-
$1,105 USD
View
B+
Retailer 11
-
$1,571 USD
£1,237 GBP
View
B+
Retailer 12
-
$1,737 USD
A$2,673 AUD
View
B+
Retailer 13
-
$2,510 USD
View
B
Retailer 14
-
$2,845 USD
View
Most Expensive
B
Brilliant Earth
17388414Y · Oct 1
$4,780 USD
View
14 more retailers have this diamond
Prices start from $338 USDSave up to $4,442 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.

A
1.61ct Radiant
$338 USD