CaratHunter
Plans
Emerald|Lab Grown|IGI

3.12ct D IF Emerald Lab Grown Diamond

ID • D/IF • IGI LG637453359

Shape and cutting style on the report: Emerald cut

Certificate IGI LG637453359

Diamond specifications and retailer prices

From $2,357 AUD
$1,656 USD
As of October 30, 2026
Save $15,338 AUD (87%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $17,695 AUD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 3.12ct lab-grown emerald diamond

This 3.12ct lab-grown emerald 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 LG637453359 or 637453359. Listed at 26 retailers as of October 30, 2026, with prices from $2,357 to $17,695, a $15,338 spread on the same certified stone. Do Amore Diamonds lists it at $17,695. 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

3.12
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle41.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG637453359
Dimensions9.52 × 6.77 × 4.68 mm
L/W Ratio1.41
Culet sizeLong
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
9.52 mm6.77 mm3.12 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG637453359
Side View
Table 62.0%Crown 35.7°Girdle: MED-STKPavilion 41.9°Culet: LNGDepth 69.1%

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: $9,334 AUD|Low: $2,264 AUD|High: $17,268 AUD|Avg: $5,616 AUD|+0.3%
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
October 31, 2026
Retailer 2$2,357 AUD
Retailer 3$2,565 AUD
Retailer 8$2,735 AUD
Retailer 18$2,735 AUD
Retailer 16$2,886 AUD
Retailer 4$2,975 AUD
Retailer 10$3,019 AUD
Retailer 14$3,842 AUD
Retailer 11$4,281 AUD
Retailer 5$4,635 AUD
Retailer 17$5,657 AUD
Retailer 15$6,827 AUD
Retailer 12$7,009 AUD
Retailer 7$7,369 AUD
Retailer 13$8,666 AUD
Retailer 1$9,334 AUD
Retailer 9$10,366 AUD
Retailer 6$17,069 AUD

41 data points across 18 retailers

26 retailers$2,357 AUD to $17,695 AUD

A
Cheapest Retailer
-
$2,357 AUD
$1,656 USD
A
Retailer 2
-
$2,565 AUD
$1,802 USD
View
A
Retailer 3
-
$2,735 AUD
$1,921 USD
View
Retailer 4
-
$2,735 AUD
$1,921 USD
View
Price last confirmed 19 days ago
A
Retailer 5
-
$2,886 AUD
$2,027 USD
View
Final sale: no returns
A
Retailer 6
-
$2,975 AUD
$2,090 USD
View
A
Retailer 7
-
$3,019 AUD
$2,121 USD
View
A
Retailer 8
-
$3,506 AUD
$2,463 USD
View
A
Retailer 9
-
$3,590 AUD
HK$19,700 HKD
View
A
Retailer 10
-
$3,842 AUD
$2,699 USD
View
A
Retailer 11
-
$4,281 AUD
£2,368 GBP
View
A
Retailer 12
-
$4,635 AUD
$3,256 USD
View
B+
Retailer 13
-
$5,657 AUD
$3,974 USD
View
B+
Retailer 14
-
$6,248 AUD
£3,456 GBP
View
Retailer 15
-
$6,827 AUD
View
Price last confirmed 9 days ago
B+
Retailer 16
-
$7,009 AUD
ZAR 79,536 ZAR
View
B+
Retailer 17
-
$7,369 AUD
$5,176 USD
View
B+
Retailer 18
-
$8,218 AUD
$5,773 USD
View
B+
Retailer 19
-
$8,666 AUD
£4,793 GBP
View
B
Retailer 20
-
$9,334 AUD
View
B
Retailer 21
-
$10,366 AUD
SGD 9,840 SGD
View
B
Retailer 22
-
$10,579 AUD
$7,431 USD
View
B
Retailer 23
-
$16,215 AUD
$11,390 USD
View
B
Retailer 24
-
$17,069 AUD
$11,990 USD
View
Retailer 25
-
$17,596 AUD
$12,360 USD
View
Price last confirmed 30 days ago
Most Expensive
B
Do Amore Diamonds
23-637453359 · Oct 30
$17,695 AUD
$12,430 USD
View
25 more retailers have this diamond
Prices start from $2,357 AUDSave up to $15,338 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
3.12ct Emerald
$2,357 AUD