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Round|Lab Grown|IGI

1.03ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG816645863

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816645863

Diamond specifications and retailer prices

From $209 USD
As of October 28, 2026
Save $1,747 USD (89%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $1,956 USD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.03ct lab-grown round diamond

This 1.03ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816645863 or 816645863. Listed at 23 retailers as of October 27, 2026, with prices from $209 to $1,956, a $1,747 spread on the same certified stone. Queensmith lists it at $1,956. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816645863
Dimensions6.49 × 6.44 × 4.02 mm
L/W Ratio1.01
Girdle conditionFaceted
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
6.49 mm6.44 mm1.03 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816645863
Side View
Table 57.0%Crown 35.4°Girdle: MediumPavilion 41°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
A+
Exceptional
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 28
Current: $394 USD|Low: $204 USD|High: $1,320 USD|Avg: $577 USD|+1.6%
Retailer 1
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 29, 2026
Retailer 3$209 USD
Retailer 8$376 USD
Retailer 1$394 USD
Retailer 10$397 USD
Retailer 2$406 USD
Retailer 9$416 USD
Retailer 14$471 USD
Retailer 15$481 USD
Retailer 6$499 USD
Retailer 12$565 USD
Retailer 13$747 USD
Retailer 11$772 USD
Retailer 4$798 USD
Retailer 5$1,069 USD
Retailer 7$1,320 USD

35 data points across 15 retailers

23 retailers$209 USD to $1,956 USD

A+
Retailer 1
-
$177 USD
Price last confirmed 27 days ago
A
Retailer 2
-
$209 USD
View
Final sale: no returns
A
Retailer 3
-
$213 USD
View
Price last confirmed 16 days ago
A
Retailer 4
-
$214 USD
View
Price last confirmed 27 days ago
A
Retailer 5
-
$226 USD
View
Price last confirmed 29 days ago
A
Retailer 6
-
$228 USD
View
Price last confirmed 17 days ago
A
Retailer 7
-
$376 USD
£296 GBP
View
A
Retailer 8
-
$394 USD
€375 EUR
View
A
Retailer 9
-
$397 USD
ZAR 6,420 ZAR
View
A
Retailer 10
-
$406 USD
View
A
Retailer 11
-
$416 USD
£327 GBP
View
A
Retailer 12
-
$471 USD
View
A
Retailer 13
-
$481 USD
View
A
Retailer 14
-
$499 USD
A$768 AUD
View
B+
Retailer 15
-
$565 USD
A$869 AUD
View
B+
Retailer 16
-
$596 USD
View
B+
Retailer 17
-
$735 USD
View
Price last confirmed 29 days ago
B+
Retailer 18
-
$747 USD
View
B+
Retailer 19
-
$772 USD
A$1,188 AUD
View
B+
Retailer 20
-
$798 USD
View
B+
Retailer 21
-
$1,069 USD
£842 GBP
View
Price last confirmed 10 days ago
B
Retailer 22
-
$1,320 USD
View
Most Expensive
B
Queensmith
LG816645863 · Oct 27
$1,956 USD
£1,540 GBP
View
22 more retailers have this diamond
Prices start from $209 USDSave up to $1,747 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+
1.03ct Round
$209 USD