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Radiant|Lab Grown|IGI

1.76ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG685577651

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

Certificate IGI LG685577651

Diamond specifications and retailer prices

From $401 USD
As of October 27, 2026
Save $5,069 USD (93%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $5,470 USD at Do Amore Diamonds · As of October 28, 2026
View at Do Amore Diamonds

About this 1.76ct lab-grown radiant diamond

This 1.76ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG685577651 or 685577651. Listed at 22 retailers as of October 27, 2026, with prices from $401 to $5,470, a $5,069 spread on the same certified stone. Do Amore Diamonds lists it at $5,470. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.76
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.1°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG685577651
Dimensions8.32 × 5.92 × 4.02 mm
L/W Ratio1.41
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.32 mm5.92 mm1.76 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG685577651
Side View
Table 63.0%Crown 47.1°Girdle: Slightly ThickPavilion 34.2°Culet: NoneDepth 67.9%

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: $3,560 USD|Low: $448 USD|High: $4,590 USD|Avg: $1,772 USD|-17.0%
Do Amore Diamonds
Retailer 2
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Retailer 12
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Retailer 18
October 29, 2026
Retailer 5$448 USD
Retailer 18$449 USD
Retailer 14$497 USD
Retailer 13$645 USD
Retailer 17$661 USD
Retailer 2$904 USD
Retailer 11$943 USD
Retailer 3$1,073 USD
Retailer 6$1,287 USD
Retailer 15$1,328 USD
Retailer 8$1,764 USD
Retailer 7$1,861 USD
Retailer 9$1,875 USD
Retailer 4$1,914 USD
Retailer 12$2,018 USD
Retailer 16$2,650 USD
Do Amore Diamonds$3,560 USD
Retailer 10$4,590 USD

34 data points across 18 retailers

22 retailers$401 USD to $5,470 USD

A
Cheapest Retailer
-
$401 USD
A
Retailer 2
-
$448 USD
View
Final sale: no returns
A
Retailer 3
-
$449 USD
View
A
Retailer 4
-
$497 USD
View
A
Retailer 5
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$497 USD
View
A
Retailer 6
-
$645 USD
View
A
Retailer 7
-
$661 USD
View
A
Retailer 8
-
$904 USD
£712 GBP
View
A
Retailer 9
-
$943 USD
ZAR 15,233 ZAR
View
A
Retailer 10
-
$1,073 USD
View
A
Retailer 11
-
$1,287 USD
A$1,980 AUD
View
Price last confirmed 9 days ago
B+
Retailer 12
-
$1,328 USD
View
B+
Retailer 13
-
$1,764 USD
View
B+
Retailer 14
-
$1,861 USD
View
B+
Retailer 15
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$1,875 USD
£1,476 GBP
View
Price last confirmed 13 days ago
B+
Retailer 16
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$1,914 USD
View
B+
Retailer 17
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$1,962 USD
£1,545 GBP
View
B+
Retailer 18
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$2,018 USD
£1,589 GBP
View
B
Retailer 19
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$2,650 USD
View
Price last confirmed 8 days ago
B
Retailer 20
-
$3,560 USD
View
B
Retailer 21
-
$4,590 USD
View
Most Expensive
B
Do Amore Diamonds
23-685577651 · Oct 28
$5,470 USD
View
21 more retailers have this diamond
Prices start from $401 USDSave up to $5,069 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
1.76ct Radiant
$401 USD