CaratHunter
Plans
Round|Lab Grown|IGI

3.09ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG737568604

Shape and cutting style on the report: Round brilliant

Certificate IGI LG737568604

Diamond specifications and retailer prices

From $926 USD
As of October 29, 2026
Save $9,194 USD (91%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $10,120 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.09ct lab-grown round diamond

This 3.09ct lab-grown round sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG737568604 or 737568604. Listed at 27 retailers as of October 29, 2026, with prices from $926 to $10,120, a $9,194 spread on the same certified stone. Brilliant Earth lists it at $10,120. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG737568604
Dimensions9.28 × 9.35 × 5.80 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
9.28 mm9.35 mm3.09 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG737568604
Side View
Table 56.0%Crown 35.5°Girdle: MediumPavilion 40.9°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $10,120 USD|Low: $926 USD|High: $14,660 USD|Avg: $2,821 USD|-31.0%
Brilliant Earth
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
October 29, 2026
Retailer 3$926 USD
Retailer 18$1,007 USD
Retailer 6$1,074 USD
Retailer 14$1,167 USD
Retailer 5$1,284 USD
Retailer 8$1,610 USD
Retailer 13$1,610 USD
Retailer 2$1,643 USD
Retailer 12$1,715 USD
Retailer 15$2,215 USD
Retailer 7$2,389 USD
Retailer 17$2,423 USD
Retailer 11$2,494 USD
Retailer 4$3,019 USD
Retailer 10$3,360 USD
Retailer 16$3,647 USD
Retailer 9$5,155 USD
Brilliant Earth$10,120 USD

30 data points across 18 retailers

27 retailers$926 USD to $10,120 USD

A
Cheapest Retailer
-
$926 USD
A
Retailer 2
-
$1,007 USD
View
A
Retailer 3
-
$1,074 USD
View
A
Retailer 4
-
$1,167 USD
View
Final sale: no returns
A
Retailer 5
-
$1,284 USD
£1,011 GBP
View
Price last confirmed 12 days ago
A
Retailer 6
-
$1,306 USD
HK$10,200 HKD
View
A
Retailer 7
-
$1,347 USD
View
A
Retailer 8
-
$1,610 USD
View
A
Retailer 9
-
$1,610 USD
View
A
Retailer 10
-
$1,643 USD
£1,294 GBP
View
A
Retailer 11
-
$1,715 USD
€1,633 EUR
View
A
Retailer 12
-
$2,215 USD
A$3,408 AUD
View
A
Retailer 13
-
$2,389 USD
View
A
Retailer 14
-
$2,412 USD
View
A
Retailer 15
-
$2,423 USD
A$3,728 AUD
View
Price last confirmed 8 days ago
A
Retailer 16
-
$2,494 USD
ZAR 40,284 ZAR
View
A
Retailer 17
-
$2,746 USD
View
B+
Retailer 18
-
$3,019 USD
View
B+
Retailer 19
-
$3,360 USD
View
B+
Retailer 20
-
$3,510 USD
View
B+
Retailer 21
-
$3,647 USD
£2,872 GBP
View
B+
Retailer 22
-
$3,734 USD
View
B+
Retailer 23
-
$3,775 USD
SGD 5,101 SGD
View
B+
Retailer 24
-
$4,056 USD
View
B+
Retailer 25
-
$5,155 USD
A$7,931 AUD
View
Price last confirmed 24 days ago
B
Retailer 26
-
$9,698 USD
View
Most Expensive
B
Brilliant Earth
16122337A · Oct 29
$10,120 USD
View
26 more retailers have this diamond
Prices start from $926 USDSave up to $9,194 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 Round
$926 USD