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Round|Lab Grown|IGI

1.27ct D VS1 Round Lab Grown Diamond

ID • D/VS1 • IGI LG811636270

Shape and cutting style on the report: Round brilliant

Certificate IGI LG811636270

Diamond specifications and retailer prices

From $310 AUD
As of November 4, 2026
Save $1,371 AUD (82%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,048 AUD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.27ct lab-grown round diamond

This 1.27ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG811636270 or 811636270. Listed at 22 retailers as of November 4, 2026, with a 442% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.27
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811636270
Dimensions6.89 × 6.94 × 4.30 mm
L/W Ratio1.01
Girdle conditionFaceted
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
6.89 mm6.94 mm1.27 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811636270
Side View
Table 57.0%Crown 35°Girdle: MediumPavilion 40.7°Culet: NoneDepth 62.1%

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: Nov 4
Current: $621 AUD|Low: $310 AUD|High: $1,633 AUD|Avg: $786 AUD|+4.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 9$310 AUD
Retailer 2$464 AUD
Retailer 10$589 AUD
Retailer 8$596 AUD
Retailer 1$621 AUD
Retailer 5$636 AUD
Retailer 11$764 AUD
Retailer 7$840 AUD
Retailer 4$1,113 AUD
Retailer 3$1,257 AUD
Retailer 6$1,613 AUD

40 data points across 11 retailers

22 retailers$310 AUD to $1,681 AUD

Retailer 1
-
$267 AUD
Price last confirmed 36 days ago
A
Retailer 2
-
$310 AUD
View
Final sale: no returns
Retailer 3
-
$323 AUD
View
Price last confirmed 31 days ago
Retailer 4
-
$346 AUD
View
Price last confirmed 35 days ago
A
Retailer 5
-
$383 AUD
View
B+
Retailer 6
-
$464 AUD
View
A
Retailer 7
-
$596 AUD
View
A
Retailer 8
-
$610 AUD
View
A
Retailer 9
-
$621 AUD
View
A
Retailer 10
-
$636 AUD
View
Retailer 11
-
$764 AUD
View
Price last confirmed 18 days ago
B+
Retailer 12
-
$840 AUD
View
B+
Retailer 13
-
$897 AUD
View
Retailer 14
-
$1,110 AUD
View
Price last confirmed 37 days ago
B
Retailer 15
-
$1,113 AUD
View
B
Retailer 16
-
$1,121 AUD
View
B
Retailer 17
-
$1,164 AUD
View
B
Retailer 18
-
$1,186 AUD
View
B
Retailer 19
-
$1,257 AUD
View
B
Retailer 20
-
$1,613 AUD
View
B
Retailer 21
-
$1,681 AUD
View
Most Expensive
Queensmith
LG811636270 · Oct 27
$3,048 AUD
£1,680 GBP
View
Price under review
21 more retailers have this diamond
Prices start from $310 AUDSave up to $1,371 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
1.27ct Round
$310 AUD