Princess|Lab Grown|IGI

3.74ct D IF Princess Lab Grown Diamond

ID • D/IF • IGI LG788609949

Shape and cutting style on the report: Princess cut

Certificate IGI LG788609949

Diamond specifications and retailer prices

From $2,178 USD
As of October 30, 2026
Save $14,122 USD (87%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $16,300 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.74ct lab-grown princess diamond

This 3.74ct lab-grown princess 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 LG788609949 or 788609949. Listed at 13 retailers as of October 30, 2026, with prices from $2,178 to $16,300, a $14,122 spread on the same certified stone. Brilliant Earth lists it at $16,300. 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

3.74
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.9°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788609949
Dimensions8.44 × 8.33 × 5.95 mm
L/W Ratio1.01
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
8.44 mm8.33 mm3.74 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788609949
Side View
Table 66.0%Crown 40.9°Girdle: MediumPavilion 37.6°Culet: NoneDepth 71.4%

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: $16,300 USD|Low: $2,178 USD|High: $29,810 USD|Avg: $9,308 USD|-3.0%
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
October 30, 2026
Retailer 14$2,178 USD
Retailer 10$2,370 USD
Retailer 2$3,329 USD
Retailer 3$3,834 USD
Retailer 4$3,948 USD
Retailer 9$3,950 USD
Retailer 12$3,960 USD
Retailer 11$6,308 USD
Retailer 15$6,928 USD
Retailer 8$7,508 USD
Retailer 5$8,133 USD
Retailer 6$13,045 USD
Retailer 13$14,990 USD
Brilliant Earth$16,300 USD
Retailer 7$29,810 USD

29 data points across 15 retailers

13 retailers$2,178 USD to $16,300 USD

A
Cheapest Retailer
-
$2,178 USD
A
Retailer 2
-
$2,370 USD
View
A
Retailer 3
-
$3,329 USD
£2,621 GBP
View
A
Retailer 4
-
$3,834 USD
View
A
Retailer 5
-
$3,948 USD
View
A
Retailer 6
-
$3,950 USD
View
A
Retailer 7
-
$3,960 USD
View
A
Retailer 8
-
$5,980 USD
View
Retailer 9
-
$6,308 USD
A$9,705 AUD
View
Price last confirmed 10 days ago
B+
Retailer 10
-
$6,928 USD
View
B+
Retailer 11
-
$7,508 USD
£5,912 GBP
View
B
Retailer 12
-
$14,990 USD
View
Most Expensive
B
Brilliant Earth
20378968Y · Oct 31
$16,300 USD
View
12 more retailers have this diamond
Prices start from $2,178 USDSave up to $14,122 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
3.74ct Princess
$2,178 USD