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Marquise|Lab Grown|IGI

1.60ct G VVS1 Marquise Lab Grown Diamond

ID • G/VVS1 • IGI LG818663631

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818663631

Diamond specifications and retailer prices

From $445 AUD
$312 USD
As of November 1, 2026
Save $1,619 AUD (78%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $3,139 AUD at Brilliant Earth · As of September 28, 2026
View at Brilliant Earth

About this 1.6ct lab-grown marquise diamond

This 1.6ct lab-grown marquise sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG818663631 or 818663631. Listed at 21 retailers as of November 1, 2026, with a 364% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.60
Carat
G
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle42.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818663631
Dimensions11.83 × 6.08 × 3.96 mm
L/W Ratio1.95
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.83 mm6.08 mm1.60 ctG / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818663631
Side View
Table 61.0%Crown 33.6°Girdle: MED-THKPavilion 42.3°Culet: NoneDepth 65.1%

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: Nov 1
Current: $864 AUD|Low: $445 AUD|High: $2,064 AUD|Avg: $1,090 AUD|+2.3%
Retailer 1
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
November 2, 2026
Retailer 5$445 AUD
Retailer 14$527 AUD
Retailer 11$664 AUD
Retailer 9$735 AUD
Retailer 13$778 AUD
Retailer 7$852 AUD
Retailer 1$864 AUD
Retailer 4$1,026 AUD
Retailer 2$1,045 AUD
Retailer 12$1,149 AUD
Retailer 10$1,187 AUD
Retailer 3$1,901 AUD
Retailer 8$1,981 AUD
Retailer 6$2,064 AUD

43 data points across 14 retailers

21 retailers$445 AUD to $2,064 AUD

Retailer 1
-
$398 AUD
$279 USD
Price last confirmed 25 days ago
A
Retailer 2
-
$445 AUD
$312 USD
View
Final sale: no returns
Retailer 3
-
$462 AUD
$324 USD
View
Price last confirmed 34 days ago
Retailer 4
-
$494 AUD
$346 USD
View
Price last confirmed 30 days ago
Retailer 5
-
$494 AUD
$346 USD
View
Price last confirmed 25 days ago
B+
Retailer 6
-
$664 AUD
$465 USD
View
A
Retailer 7
-
$735 AUD
$515 USD
View
A
Retailer 8
-
$778 AUD
€519 EUR
View
A
Retailer 9
-
$852 AUD
ZAR 9,644 ZAR
View
A
Retailer 10
-
$864 AUD
£477 GBP
View
A
Retailer 11
-
$1,026 AUD
$719 USD
View
Retailer 12
-
$1,045 AUD
$732 USD
View
Price last confirmed 9 days ago
B+
Retailer 13
-
$1,149 AUD
View
B+
Retailer 14
-
$1,187 AUD
$832 USD
View
Retailer 15
-
$1,588 AUD
$1,113 USD
View
Price last confirmed 33 days ago
B+
Retailer 16
-
$1,660 AUD
$1,164 USD
View
B
Retailer 17
-
$1,901 AUD
$1,332 USD
View
B
Retailer 18
-
$1,981 AUD
£1,093 GBP
View
B
Retailer 19
-
$2,058 AUD
$1,442 USD
View
B
Retailer 20
-
$2,064 AUD
$1,446 USD
View
Most Expensive
Brilliant Earth
21035738A · Sep 28
$3,139 AUD
$2,200 USD
View
Price last confirmed 34 days ago
20 more retailers have this diamond
Prices start from $445 AUDSave up to $1,619 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
1.60ct Marquise
$445 AUD