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Radiant|Lab Grown|IGI

1.61ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG625406942

Certificate IGI LG625406942

Diamond specifications and retailer prices

From $312 USD
Save $4,468 USD (93%) vs most expensive(unlock to see where)
24 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 LG625406942 or 625406942. Listed at 24 retailers, with prices from $312 to $4,780 at Brilliant Earth, a $4,468 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 angle41.2°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG625406942
Dimensions8.31 × 5.97 × 3.85 mm
L/W Ratio1.39
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
8.31 mm5.97 mm1.61 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG625406942
Side View
Table 62.0%Crown 41.2°Girdle: MED-STKPavilion 34.2°Culet: NoneDepth 64.5%

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: Sep 30
Current: $4,780 USD|Low: $312 USD|High: $4,780 USD|Avg: $1,559 USD
Brilliant Earth
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Retailer 24
October 1, 2026
Retailer 23$312 USD
Retailer 22$349 USD
Retailer 5$361 USD
Retailer 8$381 USD
Retailer 7$386 USD
Retailer 13$455 USD
Retailer 18$540 USD
Retailer 21$628 USD
Retailer 14$684 USD
Retailer 6$718 USD
Retailer 10$724 USD
Retailer 24$756 USD
Retailer 12$889 USD
Retailer 19$1,039 USD
Retailer 17$1,315 USD
Retailer 20$1,371 USD
Retailer 2$1,485 USD
Retailer 11$1,530 USD
Retailer 9$1,564 USD
Retailer 16$1,646 USD
Retailer 3$1,687 USD
Retailer 4$3,010 USD
Retailer 15$3,370 USD
Brilliant Earth$4,780 USD

36 data points across 24 retailers

24 retailers$312 USD to $4,780 USD

A
Cheapest Retailer
-
$312 USD
A
Retailer 2
-
$349 USD
View
A
Retailer 3
-
$361 USD
View
A
Retailer 4
-
$381 USD
View
A
Retailer 5
-
$386 USD
View
A
Retailer 6
-
$455 USD
£358 GBP
View
A
Retailer 7
-
$540 USD
View
A
Retailer 8
-
$628 USD
View
A
Retailer 9
-
$684 USD
€651 EUR
View
Price last confirmed 47 days ago
A
Retailer 10
-
$718 USD
ZAR 11,595 ZAR
View
A
Retailer 11
-
$724 USD
View
A
Retailer 12
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$758 USD
£597 GBP
View
A
Retailer 13
-
$889 USD
View
A
Retailer 14
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$1,039 USD
View
B+
Retailer 15
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$1,371 USD
View
B+
Retailer 16
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$1,485 USD
View
B+
Retailer 17
-
$1,530 USD
View
B+
Retailer 18
-
$1,564 USD
SGD 2,114 SGD
View
B+
Retailer 19
-
$1,646 USD
£1,296 GBP
View
Price last confirmed 39 days ago
B+
Retailer 20
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$1,687 USD
£1,328 GBP
View
B
Retailer 21
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$2,825 USD
View
B
Retailer 22
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$3,010 USD
View
B
Retailer 23
-
$3,370 USD
View
Most Expensive
B
Brilliant Earth
13714359Y · Oct 1
$4,780 USD
View
23 more retailers have this diamond
Prices start from $312 USDSave up to $4,468 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
$312 USD