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Round|Lab Grown|IGI

1.87ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG758551314

Shape and cutting style on the report: Round brilliant

Certificate IGI LG758551314

Diamond specifications and retailer prices

From $683 AUD
$480 USD
As of October 29, 2026
Save $2,484 AUD (78%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,168 AUD at Brilliance · As of October 27, 2026
View at Brilliance

About this 1.87ct lab-grown round diamond

This 1.87ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG758551314 or 758551314. Listed at 18 retailers as of October 27, 2026, with prices from $683 to $3,168, a $2,484 spread on the same certified stone. Brilliance lists it at $3,168. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.87
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG758551314
Dimensions7.90 × 7.85 × 4.90 mm
L/W Ratio1.01
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
7.90 mm7.85 mm1.87 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG758551314
Side View
Table 57.0%Crown 34.9°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
A+
Exceptional
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 29
Current: $3,168 AUD|Low: $683 AUD|High: $3,788 AUD|Avg: $1,728 AUD|-12.9%
Brilliance
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 30, 2026
Retailer 18$683 AUD
Retailer 7$763 AUD
Retailer 16$764 AUD
Retailer 6$847 AUD
Retailer 9$847 AUD
Retailer 2$1,087 AUD
Retailer 5$1,307 AUD
Retailer 8$1,321 AUD
Retailer 15$1,324 AUD
Retailer 12$1,402 AUD
Retailer 14$1,455 AUD
Retailer 11$1,972 AUD
Retailer 4$2,083 AUD
Retailer 17$2,276 AUD
Retailer 3$2,722 AUD
Retailer 10$2,763 AUD
Retailer 13$3,128 AUD
Brilliance$3,168 AUD

34 data points across 18 retailers

18 retailers$683 AUD to $3,168 AUD

A+
Cheapest Retailer
-
$683 AUD
$480 USD
A
Retailer 2
-
$763 AUD
$536 USD
View
Final sale: no returns
A
Retailer 3
-
$764 AUD
$537 USD
View
Retailer 4
-
$847 AUD
$595 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
$847 AUD
$595 USD
View
A
Retailer 6
-
$1,087 AUD
£601 GBP
View
A
Retailer 7
-
$1,307 AUD
$918 USD
View
A
Retailer 8
-
$1,321 AUD
$928 USD
View
A
Retailer 9
-
$1,324 AUD
$930 USD
View
A
Retailer 10
-
$1,402 AUD
£775 GBP
View
A
Retailer 11
-
$1,455 AUD
ZAR 16,512 ZAR
View
B+
Retailer 12
-
$1,972 AUD
View
B+
Retailer 13
-
$2,083 AUD
$1,463 USD
View
B+
Retailer 14
-
$2,276 AUD
$1,599 USD
View
B+
Retailer 15
-
$2,722 AUD
$1,912 USD
View
B+
Retailer 16
-
$2,763 AUD
$1,941 USD
View
B
Retailer 17
-
$3,128 AUD
£1,730 GBP
View
Most Expensive
B+
Brilliance
D37630590 · Oct 27
$3,168 AUD
$2,225 USD
View
17 more retailers have this diamond
Prices start from $683 AUDSave up to $2,484 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+
1.87ct Round
$683 AUD