Radiant|Lab Grown|IGI

3.09ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG800684602

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

Certificate IGI LG800684602

Diamond specifications and retailer prices

From $1,835 USD
As of October 30, 2026
Save $10,795 USD (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $12,630 USD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 3.09ct lab-grown radiant diamond

This 3.09ct 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 LG800684602 or 800684602. Listed at 14 retailers as of October 30, 2026, with prices from $1,835 to $12,630, a $10,795 spread on the same certified stone. Do Amore Diamonds lists it at $12,630. 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

3.09
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.1°
Pavilion angle34°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800684602
Dimensions10.41 × 7.07 × 4.88 mm
L/W Ratio1.47
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
10.41 mm7.07 mm3.09 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800684602
Side View
Table 63.0%Crown 45.1°Girdle: STK-THKPavilion 34°Culet: NoneDepth 69.0%

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: $12,630 USD|Low: $1,835 USD|High: $16,540 USD|Avg: $5,175 USD|-23.6%
Do Amore Diamonds
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
October 30, 2026
Retailer 2$1,835 USD
Retailer 14$2,005 USD
Retailer 10$2,215 USD
Retailer 12$2,230 USD
Retailer 7$2,525 USD
Retailer 6$2,834 USD
Retailer 9$3,230 USD
Retailer 11$3,351 USD
Retailer 13$3,596 USD
Retailer 3$3,960 USD
Retailer 4$5,675 USD
Retailer 8$6,748 USD
Retailer 5$9,100 USD
Do Amore Diamonds$12,630 USD

33 data points across 14 retailers

14 retailers$1,835 USD to $12,630 USD

A
Cheapest Retailer
-
$1,835 USD
A
Retailer 2
-
$2,005 USD
View
A
Retailer 3
-
$2,215 USD
View
A
Retailer 4
-
$2,230 USD
View
A
Retailer 5
-
$2,525 USD
View
A
Retailer 6
-
$2,834 USD
View
Final sale: no returns
A
Retailer 7
-
$3,230 USD
View
A
Retailer 8
-
$3,351 USD
View
B+
Retailer 9
-
$3,596 USD
View
B+
Retailer 10
-
$3,960 USD
€3,771 EUR
View
Price last confirmed 7 days ago
Retailer 11
-
$5,675 USD
View
Price last confirmed 11 days ago
B+
Retailer 12
-
$6,748 USD
£5,313 GBP
View
B
Retailer 13
-
$9,100 USD
View
Most Expensive
B
Do Amore Diamonds
27-9C5978D80 · Oct 30
$12,630 USD
View
13 more retailers have this diamond
Prices start from $1,835 USDSave up to $10,795 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
3.09ct Radiant
$1,835 USD