Radiant|Lab Grown|IGI

1.60ct G IF Radiant Lab Grown Diamond

ID • G/IF • IGI LG517225667

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

Certificate IGI LG517225667

Diamond specifications and retailer prices

From $299 USD
As of October 30, 2026
Save $2,101 USD (88%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,400 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.6ct lab-grown radiant diamond

This 1.6ct lab-grown radiant sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG517225667 or 517225667. Listed at 23 retailers as of October 30, 2026, with prices from $299 to $2,400, a $2,101 spread on the same certified stone. Brilliant Earth lists it at $2,400. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.60
Carat
G
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.1°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG517225667
Dimensions8.38 × 5.89 × 3.95 mm
L/W Ratio1.42
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
8.38 mm5.89 mm1.60 ctG / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG517225667
Side View
Table 62.0%Crown 42.1°Girdle: MediumPavilion 36°Culet: NoneDepth 67.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $2,400 USD|Low: $299 USD|High: $2,700 USD|Avg: $938 USD|-11.1%
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 31, 2026
Retailer 3$299 USD
Retailer 15$460 USD
Retailer 7$474 USD
Retailer 16$490 USD
Retailer 2$571 USD
Retailer 6$581 USD
Retailer 13$595 USD
Retailer 10$611 USD
Retailer 17$788 USD
Retailer 12$805 USD
Retailer 14$964 USD
Retailer 4$1,234 USD
Retailer 8$1,280 USD
Retailer 9$1,372 USD
Retailer 11$1,396 USD
Retailer 5$2,250 USD
Brilliant Earth$2,400 USD

43 data points across 17 retailers

23 retailers$299 USD to $2,400 USD

Retailer 1
-
$253 USD
Price last confirmed 23 days ago
Retailer 2
-
$274 USD
View
Price last confirmed 31 days ago
A
Retailer 3
-
$299 USD
View
Final sale: no returns
Retailer 4
-
$314 USD
View
Price last confirmed 28 days ago
Retailer 5
-
$318 USD
View
Price last confirmed 34 days ago
Retailer 6
-
$335 USD
View
Price last confirmed 32 days ago
A
Retailer 7
-
$460 USD
View
A
Retailer 8
-
$474 USD
HK$3,700 HKD
View
A
Retailer 9
-
$490 USD
View
A
Retailer 10
-
$571 USD
€544 EUR
View
A
Retailer 11
-
$581 USD
View
A
Retailer 12
-
$595 USD
ZAR 9,615 ZAR
View
A
Retailer 13
-
$611 USD
£481 GBP
View
A
Retailer 14
-
$788 USD
View
A
Retailer 15
-
$805 USD
A$1,239 AUD
View
B+
Retailer 16
-
$964 USD
View
Retailer 17
-
$1,205 USD
View
Price last confirmed 30 days ago
B+
Retailer 18
-
$1,234 USD
View
B+
Retailer 19
-
$1,280 USD
View
B+
Retailer 20
-
$1,372 USD
SGD 1,854 SGD
View
B+
Retailer 21
-
$1,396 USD
£1,099 GBP
View
B
Retailer 22
-
$2,250 USD
View
Most Expensive
B
Brilliant Earth
6409602Y · Oct 30
$2,400 USD
View
22 more retailers have this diamond
Prices start from $299 USDSave up to $2,101 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
1.60ct Radiant
$299 USD