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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 $2,170 AUD
$1,524 USD
As of October 29, 2026
Save $10,287 AUD (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $12,457 AUD at Brilliant Earth · As of October 30, 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 $2,170 to $12,457, a $10,287 spread on the same certified stone. Brilliant Earth lists it at $12,457. 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
Colour
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

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 29
Current: $12,457 AUD|Low: $1,960 AUD|High: $16,613 AUD|Avg: $4,949 AUD|-25.0%
Brilliant Earth
Retailer 2
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Retailer 4
Retailer 5
Retailer 6
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Retailer 11
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Retailer 20
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Retailer 22
October 30, 2026
Retailer 14$1,960 AUD
Retailer 15$2,061 AUD
Retailer 11$2,090 AUD
Retailer 17$2,170 AUD
Retailer 22$2,320 AUD
Retailer 5$2,405 AUD
Retailer 4$2,436 AUD
Retailer 2$2,920 AUD
Retailer 18$2,972 AUD
Retailer 19$3,303 AUD
Retailer 3$3,872 AUD
Retailer 13$4,824 AUD
Retailer 21$5,012 AUD
Retailer 20$5,709 AUD
Retailer 6$5,929 AUD
Retailer 7$6,506 AUD
Retailer 16$6,711 AUD
Retailer 8$6,955 AUD
Retailer 9$7,289 AUD
Retailer 10$8,133 AUD
Retailer 12$8,833 AUD
Brilliant Earth$12,457 AUD

33 data points across 22 retailers

20 retailers$2,170 AUD to $12,457 AUD

A
Cheapest Retailer
-
$2,170 AUD
$1,524 USD
Final sale: no returns
A
Retailer 2
-
$2,320 AUD
$1,630 USD
View
A
Retailer 3
-
$2,405 AUD
HK$13,200 HKD
View
A
Retailer 4
-
$2,436 AUD
$1,711 USD
View
A
Retailer 5
-
$2,920 AUD
£1,615 GBP
View
A
Retailer 6
-
$2,972 AUD
$2,088 USD
View
Retailer 7
-
$3,303 AUD
€2,210 EUR
View
Price last confirmed 7 days ago
A
Retailer 8
-
$3,872 AUD
$2,720 USD
View
A
Retailer 9
-
$4,824 AUD
ZAR 54,744 ZAR
View
A
Retailer 10
-
$5,012 AUD
£2,772 GBP
View
B+
Retailer 11
-
$5,709 AUD
$4,010 USD
View
B+
Retailer 12
-
$5,929 AUD
$4,165 USD
View
B+
Retailer 13
-
$6,506 AUD
$4,570 USD
View
B+
Retailer 14
-
$6,711 AUD
£3,712 GBP
View
B+
Retailer 15
-
$6,955 AUD
SGD 6,602 SGD
View
B+
Retailer 16
-
$7,289 AUD
$5,120 USD
View
Retailer 17
-
$8,133 AUD
View
Price last confirmed 31 days ago
Retailer 18
-
$8,212 AUD
$5,768 USD
View
Price last confirmed 95 days ago
Retailer 19
-
$8,833 AUD
$6,205 USD
View
Price last confirmed 32 days ago
Most Expensive
B
Brilliant Earth
13779104A · Oct 30
$12,457 AUD
$8,750 USD
View
19 more retailers have this diamond
Prices start from $2,170 AUDSave up to $10,287 AUD

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
$2,170 AUD