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Radiant|Lab Grown|IGI

3.10ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG817693421

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

Certificate IGI LG817693421

Diamond specifications and retailer prices

From $2,809 AUD
$1,973 USD
As of October 30, 2026
Save $8,598 AUD (75%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $11,407 AUD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 3.1ct lab-grown radiant diamond

This 3.1ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG817693421 or 817693421. Listed at 20 retailers as of October 30, 2026, with prices from $2,809 to $11,407, a $8,598 spread on the same certified stone. Taylor and Hart lists it at $11,407. 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

3.10
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.6°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817693421
Dimensions10.30 × 7.28 × 4.78 mm
L/W Ratio1.41
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
10.30 mm7.28 mm3.10 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817693421
Side View
Table 62.0%Crown 45.6°Girdle: Slightly ThickPavilion 35.4°Culet: NoneDepth 65.7%

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 30
Current: $5,150 AUD|Low: $2,809 AUD|High: $12,610 AUD|Avg: $6,572 AUD|-27.8%
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
Retailer 19
Taylor and Hart
October 31, 2026
Retailer 3$2,809 AUD
Retailer 10$3,056 AUD
Retailer 5$3,145 AUD
Retailer 18$3,259 AUD
Retailer 15$3,495 AUD
Retailer 6$3,754 AUD
Retailer 17$4,480 AUD
Retailer 12$4,483 AUD
Retailer 11$4,590 AUD
Retailer 4$4,672 AUD
Retailer 16$5,102 AUD
Retailer 1$5,150 AUD
Retailer 19$5,351 AUD
Retailer 2$6,183 AUD
Retailer 13$7,567 AUD
Retailer 7$8,408 AUD
Retailer 14$9,356 AUD
Retailer 8$9,756 AUD
Retailer 9$10,888 AUD
Taylor and Hart$11,407 AUD

36 data points across 20 retailers

20 retailers$2,809 AUD to $11,407 AUD

A
Cheapest Retailer
-
$2,809 AUD
$1,973 USD
A
Retailer 2
-
$3,056 AUD
$2,147 USD
View
A
Retailer 3
-
$3,145 AUD
$2,209 USD
View
Final sale: no returns
A
Retailer 4
-
$3,259 AUD
$2,289 USD
View
A
Retailer 5
-
$3,495 AUD
$2,455 USD
View
A
Retailer 6
-
$3,754 AUD
HK$20,600 HKD
View
A
Retailer 7
-
$4,480 AUD
$3,147 USD
View
A
Retailer 8
-
$4,483 AUD
£2,479 GBP
View
Retailer 9
-
$4,590 AUD
$3,224 USD
View
Price last confirmed 19 days ago
A
Retailer 10
-
$4,672 AUD
$3,282 USD
View
A
Retailer 11
-
$5,102 AUD
$3,584 USD
View
B+
Retailer 12
-
$5,150 AUD
€3,445 EUR
View
B+
Retailer 13
-
$5,351 AUD
$3,759 USD
View
B+
Retailer 14
-
$6,183 AUD
£3,420 GBP
View
B+
Retailer 15
-
$7,567 AUD
ZAR 85,876 ZAR
View
B+
Retailer 16
-
$8,408 AUD
$5,906 USD
View
B
Retailer 17
-
$9,356 AUD
£5,175 GBP
View
B
Retailer 18
-
$9,756 AUD
$6,853 USD
View
B
Retailer 19
-
$10,888 AUD
SGD 10,335 SGD
View
Most Expensive
B
Taylor and Hart
1ZBGUXG · Oct 30
$11,407 AUD
$8,013 USD
View
19 more retailers have this diamond
Prices start from $2,809 AUDSave up to $8,598 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
3.10ct Radiant
$2,809 AUD