Radiant|Lab Grown|IGI

3.51ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG697504753

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

Certificate IGI LG697504753

Diamond specifications and retailer prices

From $1,524 USD
As of October 29, 2026
Save $10,146 USD (87%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $11,670 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.51ct lab-grown radiant diamond

This 3.51ct lab-grown radiant sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG697504753 or 697504753. Listed at 20 retailers as of October 29, 2026, with prices from $1,524 to $11,670, a $10,146 spread on the same certified stone. Brilliant Earth lists it at $11,670. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.51
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.7°
Pavilion angle30.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG697504753
Dimensions10.82 × 7.14 × 4.95 mm
L/W Ratio1.52
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.82 mm7.14 mm3.51 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG697504753
Side View
Table 64.0%Crown 45.7°Girdle: MED-STKPavilion 30.3°Culet: NoneDepth 69.3%

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 29
Current: $11,670 USD|Low: $1,011 USD|High: $11,670 USD|Avg: $3,752 USD
Brilliant Earth
Retailer 2
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Retailer 5
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Retailer 7
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Retailer 11
Retailer 12
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Retailer 14
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Retailer 19
October 29, 2026
Retailer 14$1,524 USD
Retailer 19$1,630 USD
Retailer 5$1,690 USD
Retailer 4$1,711 USD
Retailer 2$2,056 USD
Retailer 15$2,088 USD
Retailer 16$2,321 USD
Retailer 3$2,720 USD
Retailer 12$3,389 USD
Retailer 18$3,520 USD
Retailer 17$4,010 USD
Retailer 6$4,165 USD
Retailer 7$4,570 USD
Retailer 13$4,714 USD
Retailer 8$4,885 USD
Retailer 9$5,120 USD
Retailer 10$5,713 USD
Retailer 11$6,205 USD
Brilliant Earth$11,670 USD

32 data points across 19 retailers

20 retailers$1,524 USD to $11,670 USD

A
Cheapest Retailer
-
$1,524 USD
Final sale: no returns
A
Retailer 2
-
$1,630 USD
View
A
Retailer 3
-
$1,690 USD
HK$13,200 HKD
View
A
Retailer 4
-
$1,711 USD
View
A
Retailer 5
-
$2,056 USD
£1,619 GBP
View
A
Retailer 6
-
$2,088 USD
View
A
Retailer 7
-
$2,321 USD
€2,210 EUR
View
A
Retailer 8
-
$2,720 USD
View
A
Retailer 9
-
$3,389 USD
ZAR 54,744 ZAR
View
A
Retailer 10
-
$3,520 USD
£2,772 GBP
View
A
Retailer 11
-
$4,010 USD
View
B+
Retailer 12
-
$4,165 USD
View
B+
Retailer 13
-
$4,570 USD
View
B+
Retailer 14
-
$4,714 USD
£3,712 GBP
View
B+
Retailer 15
-
$4,885 USD
SGD 6,602 SGD
View
B+
Retailer 16
-
$5,120 USD
View
Retailer 17
-
$5,713 USD
A$8,789 AUD
View
Price last confirmed 31 days ago
Retailer 18
-
$5,768 USD
View
Price last confirmed 94 days ago
Retailer 19
-
$6,205 USD
View
Price last confirmed 31 days ago
Most Expensive
B
Brilliant Earth
13779104A · Oct 29
$11,670 USD
View
19 more retailers have this diamond
Prices start from $1,524 USDSave up to $10,146 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
3.51ct Radiant
$1,524 USD