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Round|Lab Grown|IGI

0.64ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG500163989

Shape and cutting style on the report: Round brilliant

Certificate IGI LG500163989

Diamond specifications and retailer prices

From $458 USD
As of October 29, 2026
Save $1,068 USD (70%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,088 USD at MOH London · As of October 26, 2026
View at MOH London

About this 0.64ct lab-grown round diamond

This 0.64ct lab-grown round sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG500163989 or 500163989. Listed at 12 retailers as of October 26, 2026, with a 233% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.64
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG500163989
Dimensions5.48 × 5.44 × 3.43 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
5.48 mm5.44 mm0.64 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG500163989
Side View
Table 58.0%Crown 36.3°Girdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 62.7%

Caratlytics Score

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

Price History

Last verified: Oct 29
Current: $2,088 USD|Low: $310 USD|High: $2,109 USD|Avg: $868 USD|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 5$310 USD
Retailer 8$458 USD
Retailer 9$470 USD
Retailer 12$512 USD
Retailer 4$513 USD
Retailer 3$568 USD
Retailer 10$568 USD
Retailer 11$888 USD
Retailer 2$937 USD
Retailer 6$961 USD
Retailer 7$1,526 USD
Retailer 13$1,824 USD
MOH London$2,088 USD

43 data points across 13 retailers

12 retailers$458 USD to $1,526 USD

B+
Cheapest Retailer
-
$458 USD
B+
Retailer 2
-
$470 USD
View
B+
Retailer 3
-
$512 USD
View
Final sale: no returns
B+
Retailer 4
-
$513 USD
View
B
Retailer 5
-
$568 USD
View
Retailer 6
-
$568 USD
View
Price last confirmed 14 days ago
B
Retailer 7
-
$888 USD
View
B
Retailer 8
-
$937 USD
£738 GBP
View
B
Retailer 9
-
$961 USD
€915 EUR
View
B
Retailer 10
-
$1,526 USD
View
Retailer 11
-
$1,824 USD
View
Price under review
Most Expensive
MOH London
LG500163989 · Oct 26
$2,088 USD
£1,644 GBP
View
Price under review
11 more retailers have this diamond
Prices start from $458 USDSave up to $1,068 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.

B+
0.64ct Round
$458 USD