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Round|Lab Grown|IGI

1.03ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG781617793

Shape and cutting style on the report: Round brilliant

Certificate IGI LG781617793

Diamond specifications and retailer prices

From $580 NZD
$327 USD
As of October 29, 2026
Save $2,596 NZD (82%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,176 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 LG781617793 or 781617793. Listed at 22 retailers as of October 29, 2026, with prices from $580 to $3,176, a $2,596 spread on the same certified stone. Brilliant Earth lists it at $3,176. 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 angle33.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781617793
Dimensions6.53 × 6.57 × 3.91 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
6.53 mm6.57 mm1.03 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781617793
Side View
Table 59.0%Crown 33.4°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 59.8%

Caratlytics Score

How it works →
A
Excellent
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: $3,176 NZD|Low: $555 NZD|High: $4,099 NZD|Avg: $1,455 NZD|-22.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 12$580 NZD
Retailer 5$649 NZD
Retailer 4$719 NZD
Retailer 3$967 NZD
Retailer 10$994 NZD
Retailer 6$1,143 NZD
Retailer 9$1,234 NZD
Retailer 8$1,272 NZD
Retailer 2$1,281 NZD
Retailer 11$1,776 NZD
Retailer 7$2,896 NZD
Brilliant Earth$3,176 NZD

36 data points across 12 retailers

22 retailers$580 NZD to $3,176 NZD

A
Cheapest Retailer
-
$580 NZD
$327 USD
A
Retailer 2
-
$649 NZD
$366 USD
View
Final sale: no returns
A
Retailer 3
-
$672 NZD
$379 USD
View
A
Retailer 4
-
$719 NZD
$405 USD
View
A
Retailer 5
-
$719 NZD
$405 USD
View
A
Retailer 6
-
$795 NZD
HK$3,500 HKD
View
B+
Retailer 7
-
$967 NZD
$545 USD
View
B+
Retailer 8
-
$994 NZD
$560 USD
View
B+
Retailer 9
-
$1,011 NZD
$570 USD
View
B+
Retailer 10
-
$1,141 NZD
$643 USD
View
B+
Retailer 11
-
$1,143 NZD
£507 GBP
View
B+
Retailer 12
-
$1,234 NZD
ZAR 11,240 ZAR
View
B+
Retailer 13
-
$1,272 NZD
€683 EUR
View
B+
Retailer 14
-
$1,281 NZD
£569 GBP
View
B
Retailer 15
-
$1,776 NZD
$1,001 USD
View
B
Retailer 16
-
$1,917 NZD
SGD 1,460 SGD
View
B
Retailer 17
-
$2,310 NZD
$1,302 USD
View
B
Retailer 18
-
$2,388 NZD
$1,346 USD
View
B
Retailer 19
-
$2,589 NZD
$1,459 USD
View
B
Retailer 20
-
$2,834 NZD
$1,597 USD
View
B
Retailer 21
-
$2,896 NZD
£1,285 GBP
View
Most Expensive
B
Brilliant Earth
19001685A · Oct 30
$3,176 NZD
$1,790 USD
View
21 more retailers have this diamond
Prices start from $580 NZDSave up to $2,596 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
$580 NZD