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Oval|Lab Grown|IGI

1.00ct F SI1 Oval Lab Grown Diamond

VG • F/SI1 • IGI LG837681399

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG837681399

Diamond specifications and retailer prices

From $1,546 NZD
$870 USD
As of November 2, 2026
10 retailers carry this diamond
Most expensive: $1,800 NZD at Reve Diamonds · As of October 11, 2026
View at Reve Diamonds

About this 1ct lab-grown oval diamond

This 1ct lab-grown oval sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG837681399 or 837681399. Listed at 10 retailers as of November 2, 2026. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
F
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837681399
Dimensions8.11 × 5.44 × 3.45 mm
L/W Ratio1.49
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
8.11 mm5.44 mm1.00 ctF / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837681399
Side View
Table 58.0%Crown 34.2°Girdle: THK-VTKPavilion 37.1°Culet: NoneDepth 63.4%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 2
Current: $415 NZD|Low: $302 NZD|High: $1,800 NZD|Avg: $872 NZD|+0.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Reve Diamonds
October 11, 2026
Retailer 9$309 NZD
Retailer 1$415 NZD
Retailer 8$523 NZD
Retailer 3$531 NZD
Retailer 5$549 NZD
Retailer 2$588 NZD
Retailer 7$970 NZD
Retailer 10$1,115 NZD
Retailer 4$1,494 NZD
Retailer 6$1,546 NZD
Reve Diamonds$1,800 NZD

14 data points across 11 retailers

10 retailers

Retailer 1
-
$254 NZD
$143 USD
Price last confirmed 35 days ago
Retailer 2
-
$311 NZD
$175 USD
View
Price last confirmed 35 days ago
Retailer 3
-
$316 NZD
$178 USD
View
Price last confirmed 26 days ago
Retailer 4
-
$588 NZD
$331 USD
View
Price last confirmed 22 days ago
Retailer 5
-
$970 NZD
$546 USD
View
Price last confirmed 21 days ago
Retailer 6
-
$1,017 NZD
$572 USD
View
Price last confirmed 26 days ago
Retailer 7
-
$1,115 NZD
$627 USD
View
Price last confirmed 22 days ago
Retailer 8
-
$1,494 NZD
£662 GBP
View
Price last confirmed 23 days ago
B
Retailer 9
-
$1,546 NZD
$870 USD
View
Most Expensive
Reve Diamonds
5DFBC8289 · Oct 11
$1,800 NZD
$1,013 USD
View
Price last confirmed 22 days ago
9 more retailers have this diamond
Prices start from $1,546 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.

B
1.00ct Oval
$1,546 NZD