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Round|Lab Grown|IGI

3.56ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG605329981

Certificate IGI LG605329981

Diamond specifications and retailer prices

From $9,846 USD
Save $11,047 USD (53%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $32,261 USD at Taylor and Hart
View at Taylor and Hart

About this 3.56ct lab-grown round diamond

This 3.56ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG605329981 or 605329981. Listed at 10 retailers, with a 112% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.56
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG605329981
Dimensions9.85 × 9.98 × 6.02 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
9.85 mm9.98 mm3.56 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG605329981
Side View
Table 57.0%Crown 34°GirdlePavilion 40.8°Culet: NoneDepth 61.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 1
Current: $23,251 USD|Low: $4,464 USD|High: $32,261 USD|Avg: $14,441 USD|-10.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Taylor and Hart
September 29, 2026
Retailer 2$4,464 USD
Retailer 3$5,788 USD
Retailer 7$9,846 USD
Retailer 8$10,100 USD
Retailer 11$11,773 USD
Retailer 10$11,921 USD
Retailer 4$12,209 USD
Retailer 6$18,792 USD
Retailer 9$20,893 USD
Retailer 1$23,251 USD
Retailer 5$23,617 USD
Taylor and Hart$32,261 USD

33 data points across 12 retailers

10 retailers$9,846 USD to $20,893 USD

B+
Cheapest Retailer
-
$9,846 USD
B
Retailer 2
-
$10,100 USD
View
B
Retailer 3
-
$11,773 USD
View
B
Retailer 4
-
$11,921 USD
View
B
Retailer 5
-
$12,236 USD
£9,634 GBP
View
B
Retailer 6
-
$18,792 USD
£14,797 GBP
View
B
Retailer 7
-
$20,893 USD
View
B
Retailer 8
-
$23,251 USD
ZAR 375,625 ZAR
View
Price under review
B
Retailer 9
-
$23,617 USD
A$36,334 AUD
View
Price under review
Most Expensive
B
Taylor and Hart
K3ZIT8Q · Sep 30
$32,261 USD
View
Price under review
9 more retailers have this diamond
Prices start from $9,846 USDSave up to $11,047 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.

B+
3.56ct Round
$9,846 USD