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Marquise|Lab Grown|IGI

3.10ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG762545835

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG762545835

Diamond specifications and retailer prices

From $5,131 AUD
$3,604 USD
As of November 2, 2026
Save $20,596 AUD (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $25,726 AUD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 3.1ct lab-grown marquise diamond

This 3.1ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG762545835 or 762545835. Listed at 14 retailers as of October 31, 2026, with prices from $5,131 to $25,726, a $20,596 spread on the same certified stone. Taylor and Hart lists it at $25,726. 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

3.10
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG762545835
Dimensions14.87 × 7.62 × 4.80 mm
L/W Ratio1.95
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
14.87 mm7.62 mm3.10 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG762545835
Side View
Table 60.0%Crown 34.3°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 63.0%

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: $9,352 AUD|Low: $5,131 AUD|High: $24,846 AUD|Avg: $13,605 AUD|+0.4%
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
November 2, 2026
Retailer 11$5,131 AUD
Retailer 3$6,160 AUD
Retailer 1$9,352 AUD
Retailer 10$10,321 AUD
Retailer 12$11,104 AUD
Retailer 9$11,845 AUD
Retailer 2$12,337 AUD
Retailer 5$12,370 AUD
Retailer 6$14,939 AUD
Retailer 8$16,750 AUD
Retailer 13$16,998 AUD
Retailer 4$19,418 AUD
Retailer 7$23,910 AUD

38 data points across 13 retailers

14 retailers$5,131 AUD to $25,726 AUD

A
Cheapest Retailer
-
$5,131 AUD
$3,604 USD
A
Retailer 2
-
$6,160 AUD
$4,327 USD
View
B+
Retailer 3
-
$9,147 AUD
HK$50,200 HKD
View
B+
Retailer 4
-
$9,352 AUD
£5,173 GBP
View
Retailer 5
-
$9,488 AUD
£5,248 GBP
View
Price last confirmed 17 days ago
B+
Retailer 6
-
$11,104 AUD
$7,800 USD
View
B+
Retailer 7
-
$11,845 AUD
€7,924 EUR
View
B+
Retailer 8
-
$12,337 AUD
$8,666 USD
View
B+
Retailer 9
-
$14,939 AUD
£8,263 GBP
View
B+
Retailer 10
-
$16,750 AUD
ZAR 190,085 ZAR
View
B
Retailer 11
-
$16,998 AUD
$11,940 USD
View
Retailer 12
-
$19,418 AUD
$13,640 USD
View
Price last confirmed 9 days ago
B
Retailer 13
-
$23,910 AUD
View
Most Expensive
B
Taylor and Hart
CUSHYXH · Oct 31
$25,726 AUD
$18,071 USD
View
13 more retailers have this diamond
Prices start from $5,131 AUDSave up to $20,596 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
3.10ct Marquise
$5,131 AUD