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Oval|Lab Grown|IGI

1.80ct K VS1 Oval Lab Grown Diamond

ID • K/VS1 • IGI LG450028021

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG450028021

Diamond specifications and retailer prices

From $3,441 AUD
As of November 5, 2026
Save $7,219 AUD (68%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $10,659 AUD at MOH London · As of November 5, 2026
View at MOH London

About this 1.8ct lab-grown oval diamond

This 1.8ct lab-grown oval sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG450028021 or 450028021. Listed at 10 retailers as of November 5, 2026, with prices from $3,441 to $10,659, a $7,219 spread on the same certified stone. MOH London lists it at $10,659. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.80
Carat
K
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.5°
Pavilion angle42°
OriginLab Grown
Grading LabIGI
CertificateIGI LG450028021
Dimensions9.12 × 6.86 × 4.45 mm
L/W Ratio1.33
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD). Type IIa
Top View
9.12 mm6.86 mm1.80 ctK / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG450028021
Side View
Table 61.0%Crown 38.5°Girdle: MED-THKPavilion 42°Culet: NoneDepth 64.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $10,659 AUD|Low: $3,304 AUD|High: $11,428 AUD|Avg: $6,208 AUD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 6$3,441 AUD
Retailer 10$3,743 AUD
Retailer 7$3,992 AUD
Retailer 5$4,228 AUD
Retailer 11$5,020 AUD
Retailer 9$5,487 AUD
Retailer 4$6,117 AUD
Retailer 8$6,225 AUD
Retailer 2$7,360 AUD
MOH London$10,659 AUD
Retailer 3$11,428 AUD

20 data points across 11 retailers

10 retailers$3,441 AUD to $10,659 AUD

B+
Cheapest Retailer
-
$3,441 AUD
B+
Retailer 2
-
$3,743 AUD
View
B+
Retailer 3
-
$3,992 AUD
View
Retailer 4
-
$3,992 AUD
View
Price last confirmed 26 days ago
B+
Retailer 5
-
$4,228 AUD
View
B
Retailer 6
-
$5,487 AUD
View
B
Retailer 7
-
$6,117 AUD
View
B
Retailer 8
-
$6,225 AUD
View
B
Retailer 9
-
$7,360 AUD
View
Most Expensive
B
MOH London
LG450028021 · Nov 5
$10,659 AUD
£5,767 GBP
View
9 more retailers have this diamond
Prices start from $3,441 AUDSave up to $7,219 AUD

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+
1.80ct Oval
$3,441 AUD