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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 $372 NZD
$209 USD
As of October 28, 2026
Save $3,110 NZD (89%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $3,482 NZD 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 $372 to $3,482, a $3,110 spread on the same certified stone. Queensmith lists it at $3,482. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $745 NZD|Low: $363 NZD|High: $2,350 NZD|Avg: $1,028 NZD|+5.5%
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$372 NZD
Retailer 9$669 NZD
Retailer 8$701 NZD
Retailer 10$708 NZD
Retailer 2$723 NZD
Retailer 1$745 NZD
Retailer 14$839 NZD
Retailer 15$856 NZD
Retailer 6$889 NZD
Retailer 12$1,006 NZD
Retailer 13$1,330 NZD
Retailer 11$1,375 NZD
Retailer 4$1,421 NZD
Retailer 5$1,904 NZD
Retailer 7$2,350 NZD

35 data points across 15 retailers

23 retailers$372 NZD to $3,482 NZD

A+
Retailer 1
-
$315 NZD
$177 USD
Price last confirmed 28 days ago
A
Retailer 2
-
$372 NZD
$209 USD
View
Final sale: no returns
A
Retailer 3
-
$379 NZD
$213 USD
View
Price last confirmed 16 days ago
A
Retailer 4
-
$381 NZD
$214 USD
View
Price last confirmed 27 days ago
A
Retailer 5
-
$402 NZD
$226 USD
View
Price last confirmed 30 days ago
A
Retailer 6
-
$406 NZD
$228 USD
View
Price last confirmed 17 days ago
A
Retailer 7
-
$669 NZD
£296 GBP
View
A
Retailer 8
-
$701 NZD
€375 EUR
View
A
Retailer 9
-
$708 NZD
ZAR 6,420 ZAR
View
A
Retailer 10
-
$723 NZD
$406 USD
View
A
Retailer 11
-
$745 NZD
£329 GBP
View
A
Retailer 12
-
$839 NZD
$471 USD
View
A
Retailer 13
-
$856 NZD
$481 USD
View
A
Retailer 14
-
$889 NZD
A$768 AUD
View
B+
Retailer 15
-
$1,006 NZD
A$869 AUD
View
B+
Retailer 16
-
$1,061 NZD
$596 USD
View
B+
Retailer 17
-
$1,309 NZD
$735 USD
View
Price last confirmed 30 days ago
B+
Retailer 18
-
$1,330 NZD
$747 USD
View
B+
Retailer 19
-
$1,375 NZD
A$1,188 AUD
View
B+
Retailer 20
-
$1,421 NZD
$798 USD
View
B+
Retailer 21
-
$1,904 NZD
£842 GBP
View
Price last confirmed 10 days ago
B
Retailer 22
-
$2,350 NZD
$1,320 USD
View
Most Expensive
B
Queensmith
LG816645863 · Oct 27
$3,482 NZD
£1,540 GBP
View
22 more retailers have this diamond
Prices start from $372 NZDSave up to $3,110 NZD

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
$372 NZD