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Radiant|Lab Grown|IGI

3.17ct E IF Radiant Lab Grown Diamond

EX • E/IF • IGI LG689574932

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

Certificate IGI LG689574932

Diamond specifications and retailer prices

From $2,152 AUD
$1,512 USD
As of October 30, 2026
Save $6,628 AUD (75%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $8,780 AUD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 3.17ct lab-grown radiant diamond

This 3.17ct 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 LG689574932 or 689574932. Listed at 17 retailers as of October 30, 2026, with prices from $2,152 to $8,780, a $6,628 spread on the same certified stone. Taylor and Hart lists it at $8,780. 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

3.17
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689574932
Dimensions10.67 × 7.17 × 4.79 mm
L/W Ratio1.49
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.67 mm7.17 mm3.17 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689574932
Side View
Table 63.0%Crown 36.5°Girdle: ThickPavilion 34.6°Culet: NoneDepth 66.8%

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: $2,410 AUD|Low: $1,719 AUD|High: $8,344 AUD|Avg: $4,514 AUD|+40.1%
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
October 30, 2026
Retailer 12$2,152 AUD
Retailer 2$2,341 AUD
Retailer 1$2,410 AUD
Retailer 13$2,497 AUD
Retailer 11$2,740 AUD
Retailer 6$2,757 AUD
Retailer 7$3,527 AUD
Retailer 8$3,792 AUD
Retailer 4$6,031 AUD
Retailer 10$6,209 AUD
Retailer 5$6,812 AUD
Retailer 9$7,169 AUD
Retailer 3$8,344 AUD

44 data points across 13 retailers

17 retailers$2,152 AUD to $8,780 AUD

A
Cheapest Retailer
-
$2,152 AUD
$1,512 USD
A
Retailer 2
-
$2,341 AUD
$1,645 USD
View
A
Retailer 3
-
$2,410 AUD
$1,693 USD
View
Final sale: no returns
A
Retailer 4
-
$2,497 AUD
$1,754 USD
View
A
Retailer 5
-
$2,740 AUD
$1,925 USD
View
A
Retailer 6
-
$2,757 AUD
£1,525 GBP
View
A
Retailer 7
-
$2,879 AUD
HK$15,800 HKD
View
A
Retailer 8
-
$3,527 AUD
£1,951 GBP
View
A
Retailer 9
-
$3,792 AUD
€2,537 EUR
View
Price last confirmed 7 days ago
B+
Retailer 10
-
$4,841 AUD
$3,401 USD
View
B+
Retailer 11
-
$6,031 AUD
£3,336 GBP
View
B+
Retailer 12
-
$6,209 AUD
$4,362 USD
View
B+
Retailer 13
-
$6,812 AUD
$4,786 USD
View
B+
Retailer 14
-
$7,169 AUD
£3,966 GBP
View
B+
Retailer 15
-
$7,660 AUD
$5,381 USD
View
B
Retailer 16
-
$8,344 AUD
SGD 7,922 SGD
View
Most Expensive
B
Taylor and Hart
FYNEG0S · Oct 30
$8,780 AUD
$6,168 USD
View
16 more retailers have this diamond
Prices start from $2,152 AUDSave up to $6,628 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
3.17ct Radiant
$2,152 AUD