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Round|Lab Grown|IGI

1.05ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG788621508

Shape and cutting style on the report: Round brilliant

Certificate IGI LG788621508

Diamond specifications and retailer prices

From $669 NZD
$377 USD
As of October 29, 2026
Save $3,501 NZD (84%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $4,170 NZD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.05ct lab-grown round diamond

This 1.05ct 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 LG788621508 or 788621508. Listed at 22 retailers as of October 29, 2026, with prices from $669 to $4,170, a $3,501 spread on the same certified stone. Brilliant Earth lists it at $4,170. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788621508
Dimensions6.62 × 6.58 × 3.96 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
6.62 mm6.58 mm1.05 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788621508
Side View
Table 59.0%Crown 33.5°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.2%

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: $4,170 NZD|Low: $642 NZD|High: $4,170 NZD|Avg: $1,676 NZD
Brilliant Earth
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
Retailer 16
Retailer 17
Retailer 18
October 31, 2026
Retailer 18$669 NZD
Retailer 17$751 NZD
Retailer 5$830 NZD
Retailer 6$830 NZD
Retailer 16$1,073 NZD
Retailer 8$1,114 NZD
Retailer 10$1,233 NZD
Retailer 12$1,321 NZD
Retailer 14$1,359 NZD
Retailer 2$1,399 NZD
Retailer 15$1,427 NZD
Retailer 11$1,486 NZD
Retailer 3$1,881 NZD
Retailer 7$2,076 NZD
Retailer 9$2,201 NZD
Retailer 4$2,670 NZD
Retailer 13$3,263 NZD
Brilliant Earth$4,170 NZD

40 data points across 18 retailers

22 retailers$669 NZD to $4,170 NZD

A
Cheapest Retailer
-
$669 NZD
$377 USD
A
Retailer 2
-
$747 NZD
$421 USD
View
Final sale: no returns
A
Retailer 3
-
$751 NZD
$423 USD
View
A
Retailer 4
-
$830 NZD
$468 USD
View
A
Retailer 5
-
$830 NZD
$468 USD
View
B+
Retailer 6
-
$1,070 NZD
$603 USD
View
B+
Retailer 7
-
$1,073 NZD
$605 USD
View
B+
Retailer 8
-
$1,114 NZD
$628 USD
View
B+
Retailer 9
-
$1,233 NZD
$695 USD
View
B+
Retailer 10
-
$1,321 NZD
£586 GBP
View
B+
Retailer 11
-
$1,359 NZD
A$1,178 AUD
View
B+
Retailer 12
-
$1,399 NZD
€751 EUR
View
B+
Retailer 13
-
$1,427 NZD
ZAR 12,995 ZAR
View
B+
Retailer 14
-
$1,486 NZD
£659 GBP
View
Retailer 15
-
$1,881 NZD
$1,060 USD
View
Price last confirmed 13 days ago
B
Retailer 16
-
$2,076 NZD
$1,170 USD
View
B
Retailer 17
-
$2,201 NZD
SGD 1,676 SGD
View
B
Retailer 18
-
$2,670 NZD
$1,505 USD
View
B
Retailer 19
-
$2,738 NZD
$1,543 USD
View
B
Retailer 20
-
$3,123 NZD
$1,760 USD
View
B
Retailer 21
-
$3,263 NZD
£1,448 GBP
View
Most Expensive
B
Brilliant Earth
20045796A · Oct 29
$4,170 NZD
$2,350 USD
View
21 more retailers have this diamond
Prices start from $669 NZDSave up to $3,501 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
1.05ct Round
$669 NZD