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Round|Lab Grown|IGI

3.54ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG680525903

Certificate IGI LG680525903

Diamond specifications and retailer prices

From $1,117 USD
Save $11,233 USD (91%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $12,350 USD at Brilliant Earth
View at Brilliant Earth

About this 3.54ct lab-grown round diamond

This 3.54ct 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 LG680525903 or 680525903. Listed at 20 retailers, with prices from $1,117 to $12,350 at Brilliant Earth, a $11,233 spread on the same certified stone. 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

3.54
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG680525903
Dimensions9.82 × 9.75 × 6.03 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS 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
9.82 mm9.75 mm3.54 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG680525903
Side View
Table 56.0%Crown 34.5°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.7%

Caratlytics Score

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

Price History

Last verified: Sep 28
Current: $12,350 USD|Low: $903 USD|High: $19,230 USD|Avg: $3,973 USD|-26.2%
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
Retailer 19
October 1, 2026
Retailer 3$1,117 USD
Retailer 6$1,215 USD
Retailer 10$1,264 USD
Retailer 14$1,470 USD
Retailer 5$1,481 USD
Retailer 7$1,714 USD
Retailer 12$1,718 USD
Retailer 8$2,193 USD
Retailer 2$2,233 USD
Retailer 9$2,628 USD
Retailer 18$2,681 USD
Retailer 11$2,742 USD
Retailer 17$3,081 USD
Retailer 16$3,233 USD
Retailer 15$4,649 USD
Retailer 13$6,106 USD
Retailer 4$9,920 USD
Retailer 19$10,923 USD
Brilliant Earth$12,350 USD

25 data points across 19 retailers

20 retailers$1,117 USD to $12,350 USD

A
Cheapest Retailer
-
$1,117 USD
A
Retailer 2
-
$1,215 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
$1,264 USD
View
A
Retailer 4
-
$1,470 USD
View
A
Retailer 5
-
$1,481 USD
View
A
Retailer 6
-
$1,714 USD
View
A
Retailer 7
-
$1,718 USD
£1,352 GBP
View
A
Retailer 8
-
$2,193 USD
View
A
Retailer 9
-
$2,233 USD
€2,127 EUR
View
A
Retailer 10
-
$2,628 USD
View
A
Retailer 11
-
$2,681 USD
View
A
Retailer 12
-
$2,742 USD
A$4,218 AUD
View
A
Retailer 13
-
$3,081 USD
View
A
Retailer 14
-
$3,233 USD
A$4,974 AUD
View
B+
Retailer 15
-
$4,649 USD
£3,661 GBP
View
B+
Retailer 16
-
$5,480 USD
View
B+
Retailer 17
-
$6,106 USD
A$9,394 AUD
View
B
Retailer 18
-
$9,920 USD
View
B
Retailer 19
-
$10,923 USD
View
Most Expensive
B
Brilliant Earth
13280590Y · Oct 1
$12,350 USD
View
19 more retailers have this diamond
Prices start from $1,117 USDSave up to $11,233 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.

A
3.54ct Round
$1,117 USD