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Marquise|Lab Grown|IGI

2.59ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG790611853

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG790611853

Diamond specifications and retailer prices

From $3,582 AUD
$2,516 USD
As of November 2, 2026
Save $10,913 AUD (75%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $14,495 AUD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 2.59ct lab-grown marquise diamond

This 2.59ct lab-grown marquise sits in the two to three carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG790611853 or 790611853. Listed at 24 retailers as of October 31, 2026, with prices from $3,582 to $14,495, a $10,913 spread on the same certified stone. Taylor and Hart lists it at $14,495. 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

2.59
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790611853
Dimensions13.76 × 7.30 × 4.58 mm
L/W Ratio1.88
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
13.76 mm7.30 mm2.59 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790611853
Side View
Table 58.0%Crown 36.1°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 62.7%

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: Nov 2
Current: $5,609 AUD|Low: $3,438 AUD|High: $13,918 AUD|Avg: $7,132 AUD|-1.2%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 2, 2026
Retailer 2$3,582 AUD
Retailer 7$3,896 AUD
Retailer 4$4,154 AUD
Retailer 8$4,154 AUD
Retailer 10$4,180 AUD
Retailer 18$4,385 AUD
Retailer 1$5,609 AUD
Retailer 6$5,710 AUD
Retailer 17$6,096 AUD
Retailer 16$6,442 AUD
Retailer 5$6,475 AUD
Retailer 14$6,604 AUD
Retailer 15$8,684 AUD
Retailer 12$9,861 AUD
Retailer 3$10,550 AUD
Retailer 13$10,719 AUD
Retailer 11$11,123 AUD
Retailer 9$13,918 AUD

41 data points across 18 retailers

24 retailers$3,582 AUD to $14,495 AUD

A
Cheapest Retailer
-
$3,582 AUD
$2,516 USD
A
Retailer 2
-
$3,896 AUD
$2,737 USD
View
A
Retailer 3
-
$4,010 AUD
$2,817 USD
View
Final sale: no returns
A
Retailer 4
-
$4,154 AUD
$2,918 USD
View
A
Retailer 5
-
$4,180 AUD
$2,936 USD
View
A
Retailer 6
-
$4,385 AUD
$3,080 USD
View
A
Retailer 7
-
$4,517 AUD
$3,173 USD
View
A
Retailer 8
-
$4,811 AUD
HK$26,400 HKD
View
A
Retailer 9
-
$5,609 AUD
£3,103 GBP
View
A
Retailer 10
-
$5,710 AUD
$4,011 USD
View
B+
Retailer 11
-
$6,096 AUD
$4,282 USD
View
B+
Retailer 12
-
$6,442 AUD
$4,525 USD
View
B+
Retailer 13
-
$6,475 AUD
$4,548 USD
View
B+
Retailer 14
-
$6,604 AUD
€4,418 EUR
View
B+
Retailer 15
-
$7,876 AUD
£4,356 GBP
View
B+
Retailer 16
-
$8,684 AUD
$6,100 USD
View
B
Retailer 17
-
$9,861 AUD
View
B
Retailer 18
-
$10,550 AUD
$7,411 USD
View
B+
Retailer 19
-
$10,719 AUD
ZAR 121,639 ZAR
View
B
Retailer 20
-
$11,091 AUD
$7,791 USD
View
B+
Retailer 21
-
$11,123 AUD
£6,152 GBP
View
B
Retailer 22
-
$12,219 AUD
$8,583 USD
View
B
Retailer 23
-
$13,918 AUD
SGD 13,212 SGD
View
Most Expensive
B
Taylor and Hart
4O1U5AL · Oct 31
$14,495 AUD
$10,182 USD
View
23 more retailers have this diamond
Prices start from $3,582 AUDSave up to $10,913 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
2.59ct Marquise
$3,582 AUD