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Round|Lab Grown|IGI

1.03ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG816612541

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816612541

Diamond specifications and retailer prices

From $406 NZD
$229 USD
As of October 29, 2026
Save $1,883 NZD (82%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,289 NZD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.03ct lab-grown round diamond

This 1.03ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816612541 or 816612541. Listed at 19 retailers as of October 29, 2026, with prices from $406 to $2,289, a $1,883 spread on the same certified stone. Brilliant Earth lists it at $2,289. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816612541
Dimensions6.53 × 6.51 × 3.99 mm
L/W Ratio1.00
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
6.53 mm6.51 mm1.03 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816612541
Side View
Table 56.0%Crown 34.3°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.3%

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 29
Current: $2,289 NZD|Low: $406 NZD|High: $2,697 NZD|Avg: $1,128 NZD|-15.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
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Retailer 7
Retailer 8
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Retailer 11
Retailer 12
Retailer 13
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Retailer 19
October 30, 2026
Retailer 10$406 NZD
Retailer 5$452 NZD
Retailer 6$470 NZD
Retailer 4$502 NZD
Retailer 11$513 NZD
Retailer 16$710 NZD
Retailer 12$800 NZD
Retailer 14$840 NZD
Retailer 18$864 NZD
Retailer 13$938 NZD
Retailer 19$949 NZD
Retailer 8$1,050 NZD
Retailer 7$1,092 NZD
Retailer 2$1,306 NZD
Retailer 3$1,616 NZD
Retailer 9$1,710 NZD
Retailer 15$2,026 NZD
Retailer 17$2,280 NZD
Brilliant Earth$2,289 NZD

28 data points across 19 retailers

19 retailers$406 NZD to $2,289 NZD

A+
Cheapest Retailer
-
$406 NZD
$229 USD
A
Retailer 2
-
$452 NZD
$255 USD
View
Final sale: no returns
A
Retailer 3
-
$470 NZD
$265 USD
View
A
Retailer 4
-
$502 NZD
$283 USD
View
Retailer 5
-
$513 NZD
$289 USD
View
Price last confirmed 18 days ago
A
Retailer 6
-
$710 NZD
$400 USD
View
A
Retailer 7
-
$800 NZD
£355 GBP
View
A
Retailer 8
-
$840 NZD
€451 EUR
View
A
Retailer 9
-
$864 NZD
ZAR 7,868 ZAR
View
A
Retailer 10
-
$938 NZD
£416 GBP
View
A
Retailer 11
-
$949 NZD
$535 USD
View
B+
Retailer 12
-
$1,050 NZD
$592 USD
View
B+
Retailer 13
-
$1,092 NZD
$615 USD
View
B+
Retailer 14
-
$1,306 NZD
$736 USD
View
B+
Retailer 15
-
$1,616 NZD
$911 USD
View
B+
Retailer 16
-
$1,710 NZD
$964 USD
View
B+
Retailer 17
-
$2,026 NZD
£899 GBP
View
B
Retailer 18
-
$2,280 NZD
$1,285 USD
View
Most Expensive
B
Brilliant Earth
21018373A · Oct 30
$2,289 NZD
$1,290 USD
View
18 more retailers have this diamond
Prices start from $406 NZDSave up to $1,883 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
$406 NZD