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Round|Lab Grown|IGI

1.80ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG770689614

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770689614

Diamond specifications and retailer prices

From $273 AUD
$191 USD
As of November 1, 2026
Save $1,308 AUD (83%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,580 AUD at MOH London · As of November 2, 2026
View at MOH London

About this 1.8ct lab-grown round diamond

This 1.8ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG770689614 or 770689614. Listed at 9 retailers as of November 1, 2026, with prices from $273 to $1,580, a $1,308 spread on the same certified stone. MOH London lists it at $1,580. 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

1.80
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770689614
Dimensions7.89 × 7.84 × 4.70 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.89 mm7.84 mm1.80 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770689614
Side View
Table 62.0%Crown 33.4°Girdle: MED-STKPavilion 41°Culet: NoneDepth 59.8%

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: $1,580 AUD|Low: $265 AUD|High: $1,626 AUD|Avg: $946 AUD|-2.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 13$273 AUD
Retailer 9$317 AUD
Retailer 2$578 AUD
Retailer 7$624 AUD
Retailer 3$645 AUD
Retailer 10$829 AUD
Retailer 11$1,087 AUD
Retailer 8$1,090 AUD
Retailer 4$1,241 AUD
Retailer 6$1,263 AUD
Retailer 5$1,286 AUD
Retailer 12$1,368 AUD
MOH London$1,580 AUD

29 data points across 13 retailers

9 retailers$273 AUD to $1,580 AUD

A
Cheapest Retailer
-
$273 AUD
$191 USD
A
Retailer 2
-
$317 AUD
$222 USD
View
A
Retailer 3
-
$578 AUD
€386 EUR
View
B+
Retailer 4
-
$829 AUD
$581 USD
View
B+
Retailer 5
-
$1,087 AUD
$762 USD
View
B+
Retailer 6
-
$1,090 AUD
$764 USD
View
B
Retailer 7
-
$1,263 AUD
$885 USD
View
Retailer 8
-
$1,368 AUD
SGD 1,296 SGD
View
Price last confirmed 20 days ago
Most Expensive
B
MOH London
LG770689614 · Nov 2
$1,580 AUD
£872 GBP
View
8 more retailers have this diamond
Prices start from $273 AUDSave up to $1,308 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.

A
1.80ct Round
$273 AUD