CaratHunter
Plans
Marquise|Lab Grown|IGI

3.51ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG735596581

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG735596581

Diamond specifications and retailer prices

From $947 AUD
$664 USD
As of November 2, 2026
Save $7,457 AUD (89%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $8,404 AUD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 3.51ct lab-grown marquise diamond

This 3.51ct 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 LG735596581 or 735596581. Listed at 25 retailers as of November 2, 2026, with prices from $947 to $8,404, a $7,457 spread on the same certified stone. Do Amore Diamonds lists it at $8,404. 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

3.51
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG735596581
Dimensions15.47 × 8.03 × 5.05 mm
L/W Ratio1.93
Girdle conditionFaceted
Culet sizePointed
Top View
15.47 mm8.03 mm3.51 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG735596581
Side View
Table 57.0%Crown 34.3°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 62.9%

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: $8,404 AUD|Low: $909 AUD|High: $8,404 AUD|Avg: $3,010 AUD
Do Amore Diamonds
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 2, 2026
Retailer 4$909 AUD
Retailer 7$1,059 AUD
Retailer 3$1,099 AUD
Retailer 20$1,099 AUD
Retailer 19$1,356 AUD
Retailer 9$1,398 AUD
Retailer 8$1,552 AUD
Retailer 6$1,667 AUD
Retailer 2$1,946 AUD
Retailer 15$2,738 AUD
Retailer 18$2,805 AUD
Retailer 16$2,815 AUD
Retailer 5$3,746 AUD
Retailer 11$3,762 AUD
Retailer 17$3,767 AUD
Retailer 10$3,784 AUD
Retailer 12$4,339 AUD
Retailer 13$4,761 AUD
Retailer 14$7,876 AUD
Do Amore Diamonds$8,404 AUD

42 data points across 20 retailers

25 retailers$947 AUD to $8,404 AUD

Retailer 1
-
$909 AUD
$637 USD
Price last confirmed 31 days ago
A
Retailer 2
-
$947 AUD
$664 USD
View
Retailer 3
-
$1,030 AUD
$722 USD
View
Price last confirmed 34 days ago
A
Retailer 4
-
$1,059 AUD
$742 USD
View
Final sale: no returns
Retailer 5
-
$1,099 AUD
$770 USD
View
Price last confirmed 17 days ago
Retailer 6
-
$1,099 AUD
$770 USD
View
Price last confirmed 30 days ago
A
Retailer 7
-
$1,099 AUD
$770 USD
View
A
Retailer 8
-
$1,356 AUD
$950 USD
View
A
Retailer 9
-
$1,398 AUD
$980 USD
View
A
Retailer 10
-
$1,552 AUD
$1,088 USD
View
A
Retailer 11
-
$1,667 AUD
$1,168 USD
View
A
Retailer 12
-
$1,946 AUD
£1,074 GBP
View
B+
Retailer 13
-
$2,738 AUD
View
B+
Retailer 14
-
$2,805 AUD
$1,966 USD
View
B+
Retailer 15
-
$2,815 AUD
ZAR 31,872 ZAR
View
Retailer 16
-
$3,409 AUD
$2,389 USD
View
Price last confirmed 33 days ago
B+
Retailer 17
-
$3,409 AUD
$2,389 USD
View
B+
Retailer 18
-
$3,746 AUD
$2,625 USD
View
B
Retailer 19
-
$3,762 AUD
£2,076 GBP
View
B+
Retailer 20
-
$3,767 AUD
$2,640 USD
View
B
Retailer 21
-
$3,784 AUD
$2,652 USD
View
B
Retailer 22
-
$4,339 AUD
$3,041 USD
View
B
Retailer 23
-
$4,761 AUD
£2,627 GBP
View
B
Retailer 24
-
$7,876 AUD
$5,520 USD
View
Most Expensive
B
Do Amore Diamonds
27-4DDD2B3F8 · Nov 2
$8,404 AUD
$5,890 USD
View
24 more retailers have this diamond
Prices start from $947 AUDSave up to $7,457 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
3.51ct Marquise
$947 AUD