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Oval|Lab Grown|IGI

1.00ct F SI1 Oval Lab Grown Diamond

EX • F/SI1 • IGI LG615376964

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG615376964

Diamond specifications and retailer prices

From $299 NZD
$168 USD
As of November 1, 2026
Save $1,437 NZD (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,736 NZD at MOH London · As of November 1, 2026
View at MOH London

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 top-tier cut grade and certified by IGI LG615376964 or 615376964. Listed at 12 retailers as of November 1, 2026, with prices from $299 to $1,736, a $1,437 spread on the same certified stone. MOH London lists it at $1,736. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.00
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle38.9°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG615376964
Dimensions7.65 × 5.53 × 3.54 mm
L/W Ratio1.38
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
7.65 mm5.53 mm1.00 ctF / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG615376964
Side View
Table 54.0%Crown 38.9°Girdle: MED-THKPavilion 38°Culet: NoneDepth 64.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $1,736 NZD|Low: $297 NZD|High: $1,819 NZD|Avg: $796 NZD|-3.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 6$299 NZD
Retailer 4$347 NZD
Retailer 11$371 NZD
Retailer 12$371 NZD
Retailer 2$481 NZD
Retailer 9$540 NZD
Retailer 5$660 NZD
Retailer 10$666 NZD
Retailer 7$800 NZD
Retailer 3$1,193 NZD
Retailer 8$1,260 NZD
MOH London$1,736 NZD

44 data points across 12 retailers

12 retailers$299 NZD to $1,736 NZD

A
Cheapest Retailer
-
$299 NZD
$168 USD
A
Retailer 2
-
$347 NZD
$195 USD
View
Retailer 3
-
$371 NZD
$209 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$371 NZD
$209 USD
View
A
Retailer 5
-
$481 NZD
£213 GBP
View
A
Retailer 6
-
$540 NZD
$304 USD
View
A
Retailer 7
-
$660 NZD
£293 GBP
View
B+
Retailer 8
-
$666 NZD
$375 USD
View
B+
Retailer 9
-
$800 NZD
$450 USD
View
B
Retailer 10
-
$1,193 NZD
$671 USD
View
B
Retailer 11
-
$1,260 NZD
$709 USD
View
Most Expensive
B
MOH London
LG615376964 · Nov 1
$1,736 NZD
£769 GBP
View
11 more retailers have this diamond
Prices start from $299 NZDSave up to $1,437 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
1.00ct Oval
$299 NZD