CaratHunter
Plans
Marquise|Lab Grown|IGI

3.89ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG837608560

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG837608560

Diamond specifications and retailer prices

From $662 AUD
$464 USD
As of November 2, 2026
Save $4,532 AUD (87%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,194 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.89ct lab-grown marquise diamond

This 3.89ct 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 LG837608560 or 837608560. Listed at 13 retailers as of October 31, 2026, with prices from $662 to $5,194, a $4,532 spread on the same certified stone. Brilliant Earth lists it at $5,194. 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

3.89
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.7°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837608560
Dimensions15.42 × 8.17 × 5.25 mm
L/W Ratio1.89
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.42 mm8.17 mm3.89 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837608560
Side View
Table 61.0%Crown 37.7°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 64.3%

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 2
Current: $5,194 AUD|Low: $662 AUD|High: $5,836 AUD|Avg: $2,363 AUD|-11.0%
Brilliant Earth
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 2, 2026
Retailer 13$662 AUD
Retailer 9$742 AUD
Retailer 2$914 AUD
Retailer 8$1,250 AUD
Retailer 5$1,400 AUD
Retailer 7$1,734 AUD
Retailer 11$2,207 AUD
Retailer 10$2,212 AUD
Retailer 4$2,640 AUD
Retailer 3$2,874 AUD
Retailer 6$3,015 AUD
Retailer 12$3,707 AUD
Brilliant Earth$5,194 AUD

37 data points across 13 retailers

13 retailers$662 AUD to $5,194 AUD

A
Cheapest Retailer
-
$662 AUD
$464 USD
A
Retailer 2
-
$742 AUD
$520 USD
View
A
Retailer 3
-
$914 AUD
£504 GBP
View
Retailer 4
-
$1,250 AUD
€834 EUR
View
Price last confirmed 8 days ago
A
Retailer 5
-
$1,400 AUD
$981 USD
View
A
Retailer 6
-
$1,734 AUD
View
A
Retailer 7
-
$2,207 AUD
$1,547 USD
View
B+
Retailer 8
-
$2,212 AUD
$1,550 USD
View
B+
Retailer 9
-
$2,640 AUD
$1,850 USD
View
B+
Retailer 10
-
$2,874 AUD
$2,014 USD
View
B+
Retailer 11
-
$3,015 AUD
£1,664 GBP
View
B+
Retailer 12
-
$3,707 AUD
$2,598 USD
View
Most Expensive
B
Brilliant Earth
21361186A · Oct 31
$5,194 AUD
$3,640 USD
View
12 more retailers have this diamond
Prices start from $662 AUDSave up to $4,532 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
3.89ct Marquise
$662 AUD