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Radiant|Lab Grown|IGI

1.60ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG778671653

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

Certificate IGI LG778671653

Diamond specifications and retailer prices

From $1,115 USD
As of October 30, 2026
Save $3,407 USD (75%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $4,522 USD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

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 E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG778671653 or 778671653. Listed at 22 retailers as of October 30, 2026, with prices from $1,115 to $4,522, a $3,407 spread on the same certified stone. Taylor and Hart lists it at $4,522. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.60
Carat
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.1°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778671653
Dimensions8.28 × 5.83 × 3.84 mm
L/W Ratio1.42
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.28 mm5.83 mm1.60 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778671653
Side View
Table 64.0%Crown 40.1°Girdle: Slightly ThickPavilion 34.4°Culet: NoneDepth 65.9%

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 30
Current: $1,427 USD|Low: $1,070 USD|High: $4,333 USD|Avg: $2,382 USD|-1.0%
Retailer 1
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
Retailer 18
October 30, 2026
Retailer 3$1,115 USD
Retailer 8$1,213 USD
Retailer 4$1,247 USD
Retailer 6$1,293 USD
Retailer 9$1,293 USD
Retailer 1$1,427 USD
Retailer 13$1,465 USD
Retailer 14$1,850 USD
Retailer 11$1,874 USD
Retailer 15$2,268 USD
Retailer 12$2,377 USD
Retailer 7$2,424 USD
Retailer 17$2,623 USD
Retailer 2$3,744 USD
Retailer 18$4,113 USD
Retailer 5$4,120 USD
Retailer 16$4,177 USD
Retailer 10$4,333 USD

37 data points across 18 retailers

22 retailers$1,115 USD to $4,522 USD

A
Cheapest Retailer
-
$1,115 USD
A
Retailer 2
-
$1,213 USD
View
B+
Retailer 3
-
$1,247 USD
View
Final sale: no returns
Retailer 4
-
$1,293 USD
View
Price last confirmed 13 days ago
B+
Retailer 5
-
$1,293 USD
View
B+
Retailer 6
-
$1,402 USD
View
B+
Retailer 7
-
$1,427 USD
£1,124 GBP
View
B+
Retailer 8
-
$1,465 USD
View
B+
Retailer 9
-
$1,566 USD
View
B+
Retailer 10
-
$1,850 USD
View
B+
Retailer 11
-
$1,874 USD
£1,476 GBP
View
Retailer 12
-
$2,268 USD
€2,160 EUR
View
Price last confirmed 7 days ago
B+
Retailer 13
-
$2,377 USD
ZAR 38,400 ZAR
View
B
Retailer 14
-
$2,424 USD
View
B
Retailer 15
-
$2,623 USD
View
B
Retailer 16
-
$3,566 USD
£2,808 GBP
View
B
Retailer 17
-
$3,744 USD
View
B
Retailer 18
-
$4,113 USD
View
B
Retailer 19
-
$4,120 USD
View
B
Retailer 20
-
$4,177 USD
£3,289 GBP
View
B
Retailer 21
-
$4,333 USD
SGD 5,855 SGD
View
Most Expensive
B
Taylor and Hart
BPJG0B4 · Oct 30
$4,522 USD
View
21 more retailers have this diamond
Prices start from $1,115 USDSave up to $3,407 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
$1,115 USD