CaratHunter
Plans
Marquise|Lab Grown|IGI

3.80ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG837683414

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG837683414

Diamond specifications and retailer prices

From $646 AUD
$454 USD
As of October 30, 2026
Save $3,261 AUD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,908 AUD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 3.8ct lab-grown marquise diamond

This 3.8ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG837683414 or 837683414. Listed at 14 retailers as of October 28, 2026, with prices from $646 to $3,908, a $3,261 spread on the same certified stone. Rare Carat lists it at $3,908. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.80
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837683414
Dimensions16.54 × 8.17 × 5.04 mm
L/W Ratio2.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.54 mm8.17 mm3.80 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837683414
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.7%

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: Oct 30
Current: $3,908 AUD|Low: $646 AUD|High: $3,972 AUD|Avg: $2,270 AUD|-1.6%
Rare Carat
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 1, 2026
Retailer 14$646 AUD
Retailer 9$723 AUD
Retailer 12$896 AUD
Retailer 8$1,218 AUD
Retailer 5$1,375 AUD
Retailer 7$1,692 AUD
Retailer 11$2,154 AUD
Retailer 10$2,157 AUD
Retailer 4$2,575 AUD
Retailer 3$2,800 AUD
Retailer 2$2,943 AUD
Retailer 6$3,353 AUD
Retailer 13$3,613 AUD
Rare Carat$3,908 AUD

29 data points across 14 retailers

14 retailers$646 AUD to $3,908 AUD

A
Cheapest Retailer
-
$646 AUD
$454 USD
A
Retailer 2
-
$723 AUD
$508 USD
View
Retailer 3
-
$896 AUD
£496 GBP
View
Price last confirmed 15 days ago
Retailer 4
-
$1,218 AUD
€815 EUR
View
Price last confirmed 7 days ago
A
Retailer 5
-
$1,375 AUD
$966 USD
View
A
Retailer 6
-
$1,692 AUD
View
A
Retailer 7
-
$2,154 AUD
$1,513 USD
View
B+
Retailer 8
-
$2,157 AUD
$1,515 USD
View
B+
Retailer 9
-
$2,575 AUD
$1,809 USD
View
B+
Retailer 10
-
$2,800 AUD
$1,967 USD
View
B+
Retailer 11
-
$2,943 AUD
£1,628 GBP
View
Retailer 12
-
$3,353 AUD
SGD 3,183 SGD
View
Price last confirmed 19 days ago
B+
Retailer 13
-
$3,613 AUD
$2,538 USD
View
Most Expensive
B+
Rare Carat
LGMQ30-152734 · Oct 28
$3,908 AUD
$2,745 USD
View
13 more retailers have this diamond
Prices start from $646 AUDSave up to $3,261 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
3.80ct Marquise
$646 AUD